Home / 72,427,502.40-108,641,253.60-64,491,316.80

Finding the Fourth Proportional to 72,427,502.40, 108,641,253.60 and 64,491,316.80

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Solution

The fourth proportional to 72,427,502.40, 108,641,253.60 and 64,491,316.80 is: 96,736,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,427,502.40 : 108,641,253.60 = 64,491,316.80 : x
  2. Step 2: Convert to fraction form
    72,427,502.40/108,641,253.60 = 64,491,316.80/x
  3. Step 3: Cross multiply
    72,427,502.40x = 108,641,253.60 × 64,491,316.80
  4. Step 4: Simplify right side
    72,427,502.40x = 7,006,417,503,466,740
  5. Step 5: Solve for x
    x = 7,006,417,503,466,740/72,427,502.40
  6. Step 6: Final answer
    x = 96,736,975.20

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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.