Home / 72,584,185.60-108,876,278.40-65,865,721.60

Finding the Fourth Proportional to 72,584,185.60, 108,876,278.40 and 65,865,721.60

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Solution

The fourth proportional to 72,584,185.60, 108,876,278.40 and 65,865,721.60 is: 98,798,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584,185.60 : 108,876,278.40 = 65,865,721.60 : x
  2. Step 2: Convert to fraction form
    72,584,185.60/108,876,278.40 = 65,865,721.60/x
  3. Step 3: Cross multiply
    72,584,185.60x = 108,876,278.40 × 65,865,721.60
  4. Step 4: Simplify right side
    72,584,185.60x = 7,171,214,641,938,494
  5. Step 5: Solve for x
    x = 7,171,214,641,938,494/72,584,185.60
  6. Step 6: Final answer
    x = 98,798,582.40

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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.