Home / 151,013,437.20-226,688,117.40-82,988,989.20

Finding the Fourth Proportional to 151,013,437.20, 226,688,117.40 and 82,988,989.20

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Solution

The fourth proportional to 151,013,437.20, 226,688,117.40 and 82,988,989.20 is: 124,575,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,013,437.20 : 226,688,117.40 = 82,988,989.20 : x
  2. Step 2: Convert to fraction form
    151,013,437.20/226,688,117.40 = 82,988,989.20/x
  3. Step 3: Cross multiply
    151,013,437.20x = 226,688,117.40 × 82,988,989.20
  4. Step 4: Simplify right side
    151,013,437.20x = 18,812,617,726,676,932
  5. Step 5: Solve for x
    x = 18,812,617,726,676,932/151,013,437.20
  6. Step 6: Final answer
    x = 124,575,786.60

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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.