Home / 72,584,584.80-108,876,877.20-48,398,114.40

Finding the Fourth Proportional to 72,584,584.80, 108,876,877.20 and 48,398,114.40

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Solution

The fourth proportional to 72,584,584.80, 108,876,877.20 and 48,398,114.40 is: 72,597,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584,584.80 : 108,876,877.20 = 48,398,114.40 : x
  2. Step 2: Convert to fraction form
    72,584,584.80/108,876,877.20 = 48,398,114.40/x
  3. Step 3: Cross multiply
    72,584,584.80x = 108,876,877.20 × 48,398,114.40
  4. Step 4: Simplify right side
    72,584,584.80x = 5,269,435,558,240,352
  5. Step 5: Solve for x
    x = 5,269,435,558,240,352/72,584,584.80
  6. Step 6: Final answer
    x = 72,597,171.60

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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.