Home / 231,754,437.20-347,678,311.80-67,991,877.20

Finding the Fourth Proportional to 231,754,437.20, 347,678,311.80 and 67,991,877.20

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Solution

The fourth proportional to 231,754,437.20, 347,678,311.80 and 67,991,877.20 is: 102,001,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,754,437.20 : 347,678,311.80 = 67,991,877.20 : x
  2. Step 2: Convert to fraction form
    231,754,437.20/347,678,311.80 = 67,991,877.20/x
  3. Step 3: Cross multiply
    231,754,437.20x = 347,678,311.80 × 67,991,877.20
  4. Step 4: Simplify right side
    231,754,437.20x = 23,639,301,081,008,912
  5. Step 5: Solve for x
    x = 23,639,301,081,008,912/231,754,437.20
  6. Step 6: Final answer
    x = 102,001,503.69

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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.