Home / 142,000,306.70-212,832,498.45-73,807,897.10

Finding the Fourth Proportional to 142,000,306.70, 212,832,498.45 and 73,807,897.10

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Solution

The fourth proportional to 142,000,306.70, 212,832,498.45 and 73,807,897.10 is: 110,624,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,000,306.70 : 212,832,498.45 = 73,807,897.10 : x
  2. Step 2: Convert to fraction form
    142,000,306.70/212,832,498.45 = 73,807,897.10/x
  3. Step 3: Cross multiply
    142,000,306.70x = 212,832,498.45 × 73,807,897.10
  4. Step 4: Simplify right side
    142,000,306.70x = 15,708,719,145,133,508
  5. Step 5: Solve for x
    x = 15,708,719,145,133,508/142,000,306.70
  6. Step 6: Final answer
    x = 110,624,543.78

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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.