Home / 132,029,580.20-198,043,386.14-39,913,140.20

Finding the Fourth Proportional to 132,029,580.20, 198,043,386.14 and 39,913,140.20

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Solution

The fourth proportional to 132,029,580.20, 198,043,386.14 and 39,913,140.20 is: 59,869,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,029,580.20 : 198,043,386.14 = 39,913,140.20 : x
  2. Step 2: Convert to fraction form
    132,029,580.20/198,043,386.14 = 39,913,140.20/x
  3. Step 3: Cross multiply
    132,029,580.20x = 198,043,386.14 × 39,913,140.20
  4. Step 4: Simplify right side
    132,029,580.20x = 7,904,533,436,688,557
  5. Step 5: Solve for x
    x = 7,904,533,436,688,557/132,029,580.20
  6. Step 6: Final answer
    x = 59,869,412.78

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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.