Home / 247,688,429.40-371,532,644.10-75,164,966.10

Finding the Fourth Proportional to 247,688,429.40, 371,532,644.10 and 75,164,966.10

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Solution

The fourth proportional to 247,688,429.40, 371,532,644.10 and 75,164,966.10 is: 112,747,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,688,429.40 : 371,532,644.10 = 75,164,966.10 : x
  2. Step 2: Convert to fraction form
    247,688,429.40/371,532,644.10 = 75,164,966.10/x
  3. Step 3: Cross multiply
    247,688,429.40x = 371,532,644.10 × 75,164,966.10
  4. Step 4: Simplify right side
    247,688,429.40x = 27,926,238,598,819,864
  5. Step 5: Solve for x
    x = 27,926,238,598,819,864/247,688,429.40
  6. Step 6: Final answer
    x = 112,747,449.15

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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.