Home / 72,584,447.10-108,876,670.65-65,865,983.10

Finding the Fourth Proportional to 72,584,447.10, 108,876,670.65 and 65,865,983.10

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Solution

The fourth proportional to 72,584,447.10, 108,876,670.65 and 65,865,983.10 is: 98,798,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584,447.10 : 108,876,670.65 = 65,865,983.10 : x
  2. Step 2: Convert to fraction form
    72,584,447.10/108,876,670.65 = 65,865,983.10/x
  3. Step 3: Cross multiply
    72,584,447.10x = 108,876,670.65 × 65,865,983.10
  4. Step 4: Simplify right side
    72,584,447.10x = 7,171,268,949,017,167
  5. Step 5: Solve for x
    x = 7,171,268,949,017,167/72,584,447.10
  6. Step 6: Final answer
    x = 98,798,974.65

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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.