Home / 93,312,076.80-139,968,115.20-92,416,281.60

Finding the Fourth Proportional to 93,312,076.80, 139,968,115.20 and 92,416,281.60

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Solution

The fourth proportional to 93,312,076.80, 139,968,115.20 and 92,416,281.60 is: 138,624,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,076.80 : 139,968,115.20 = 92,416,281.60 : x
  2. Step 2: Convert to fraction form
    93,312,076.80/139,968,115.20 = 92,416,281.60/x
  3. Step 3: Cross multiply
    93,312,076.80x = 139,968,115.20 × 92,416,281.60
  4. Step 4: Simplify right side
    93,312,076.80x = 12,935,332,749,344,438
  5. Step 5: Solve for x
    x = 12,935,332,749,344,438/93,312,076.80
  6. Step 6: Final answer
    x = 138,624,422.40

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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.