Home / 72,773,769.86-108,829,094.58-54,342,657.86

Finding the Fourth Proportional to 72,773,769.86, 108,829,094.58 and 54,342,657.86

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Solution

The fourth proportional to 72,773,769.86, 108,829,094.58 and 54,342,657.86 is: 81,266,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,773,769.86 : 108,829,094.58 = 54,342,657.86 : x
  2. Step 2: Convert to fraction form
    72,773,769.86/108,829,094.58 = 54,342,657.86/x
  3. Step 3: Cross multiply
    72,773,769.86x = 108,829,094.58 × 54,342,657.86
  4. Step 4: Simplify right side
    72,773,769.86x = 5,914,062,251,974,520
  5. Step 5: Solve for x
    x = 5,914,062,251,974,520/72,773,769.86
  6. Step 6: Final answer
    x = 81,266,399.46

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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.