Home / 231,791,750.40-347,687,625.60-70,212,691.20

Finding the Fourth Proportional to 231,791,750.40, 347,687,625.60 and 70,212,691.20

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Solution

The fourth proportional to 231,791,750.40, 347,687,625.60 and 70,212,691.20 is: 105,319,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,791,750.40 : 347,687,625.60 = 70,212,691.20 : x
  2. Step 2: Convert to fraction form
    231,791,750.40/347,687,625.60 = 70,212,691.20/x
  3. Step 3: Cross multiply
    231,791,750.40x = 347,687,625.60 × 70,212,691.20
  4. Step 4: Simplify right side
    231,791,750.40x = 24,412,083,890,314,016
  5. Step 5: Solve for x
    x = 24,412,083,890,314,016/231,791,750.40
  6. Step 6: Final answer
    x = 105,319,036.80

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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.