Home / 138,148,416,000.60-207,222,624,000.90-115,832,995,834.20

Finding the Fourth Proportional to 138,148,416,000.60, 207,222,624,000.90 and 115,832,995,834.20

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Solution

The fourth proportional to 138,148,416,000.60, 207,222,624,000.90 and 115,832,995,834.20 is: 173,749,493,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,148,416,000.60 : 207,222,624,000.90 = 115,832,995,834.20 : x
  2. Step 2: Convert to fraction form
    138,148,416,000.60/207,222,624,000.90 = 115,832,995,834.20/x
  3. Step 3: Cross multiply
    138,148,416,000.60x = 207,222,624,000.90 × 115,832,995,834.20
  4. Step 4: Simplify right side
    138,148,416,000.60x = 24,003,217,342,648,243,191,808
  5. Step 5: Solve for x
    x = 24,003,217,342,648,243,191,808/138,148,416,000.60
  6. Step 6: Final answer
    x = 173,749,493,751.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.