Home / 172,416,008.40-258,624,012.60-165,613,563.60

Finding the Fourth Proportional to 172,416,008.40, 258,624,012.60 and 165,613,563.60

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Solution

The fourth proportional to 172,416,008.40, 258,624,012.60 and 165,613,563.60 is: 248,420,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,416,008.40 : 258,624,012.60 = 165,613,563.60 : x
  2. Step 2: Convert to fraction form
    172,416,008.40/258,624,012.60 = 165,613,563.60/x
  3. Step 3: Cross multiply
    172,416,008.40x = 258,624,012.60 × 165,613,563.60
  4. Step 4: Simplify right side
    172,416,008.40x = 42,831,644,359,217,296
  5. Step 5: Solve for x
    x = 42,831,644,359,217,296/172,416,008.40
  6. Step 6: Final answer
    x = 248,420,345.40

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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.