Home / 72,515,755.13-108,776,632.51-21,397,774.55

Finding the Fourth Proportional to 72,515,755.13, 108,776,632.51 and 21,397,774.55

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Solution

The fourth proportional to 72,515,755.13, 108,776,632.51 and 21,397,774.55 is: 32,097,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,515,755.13 : 108,776,632.51 = 21,397,774.55 : x
  2. Step 2: Convert to fraction form
    72,515,755.13/108,776,632.51 = 21,397,774.55/x
  3. Step 3: Cross multiply
    72,515,755.13x = 108,776,632.51 × 21,397,774.55
  4. Step 4: Simplify right side
    72,515,755.13x = 2,327,577,858,757,181
  5. Step 5: Solve for x
    x = 2,327,577,858,757,181/72,515,755.13
  6. Step 6: Final answer
    x = 32,097,547.00

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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.