Home / 108,820,025.20-162,852,124.20-74,807,801.20

Finding the Fourth Proportional to 108,820,025.20, 162,852,124.20 and 74,807,801.20

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Solution

The fourth proportional to 108,820,025.20, 162,852,124.20 and 74,807,801.20 is: 111,951,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,820,025.20 : 162,852,124.20 = 74,807,801.20 : x
  2. Step 2: Convert to fraction form
    108,820,025.20/162,852,124.20 = 74,807,801.20/x
  3. Step 3: Cross multiply
    108,820,025.20x = 162,852,124.20 × 74,807,801.20
  4. Step 4: Simplify right side
    108,820,025.20x = 12,182,609,332,151,308
  5. Step 5: Solve for x
    x = 12,182,609,332,151,308/108,820,025.20
  6. Step 6: Final answer
    x = 111,951,906.92

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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.