Home / 72,584,187.60-108,876,281.40-65,865,723.60

Finding the Fourth Proportional to 72,584,187.60, 108,876,281.40 and 65,865,723.60

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Solution

The fourth proportional to 72,584,187.60, 108,876,281.40 and 65,865,723.60 is: 98,798,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584,187.60 : 108,876,281.40 = 65,865,723.60 : x
  2. Step 2: Convert to fraction form
    72,584,187.60/108,876,281.40 = 65,865,723.60/x
  3. Step 3: Cross multiply
    72,584,187.60x = 108,876,281.40 × 65,865,723.60
  4. Step 4: Simplify right side
    72,584,187.60x = 7,171,215,057,288,222
  5. Step 5: Solve for x
    x = 7,171,215,057,288,222/72,584,187.60
  6. Step 6: Final answer
    x = 98,798,585.40

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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.