Home / 76,404,807.60-114,607,211.40-52,218,337.20

Finding the Fourth Proportional to 76,404,807.60, 114,607,211.40 and 52,218,337.20

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Solution

The fourth proportional to 76,404,807.60, 114,607,211.40 and 52,218,337.20 is: 78,327,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,404,807.60 : 114,607,211.40 = 52,218,337.20 : x
  2. Step 2: Convert to fraction form
    76,404,807.60/114,607,211.40 = 52,218,337.20/x
  3. Step 3: Cross multiply
    76,404,807.60x = 114,607,211.40 × 52,218,337.20
  4. Step 4: Simplify right side
    76,404,807.60x = 5,984,598,010,436,885
  5. Step 5: Solve for x
    x = 5,984,598,010,436,885/76,404,807.60
  6. Step 6: Final answer
    x = 78,327,505.80

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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.