Home / 61,218,587.28-84,487,617.69-45,721,767.72

Finding the Fourth Proportional to 61,218,587.28, 84,487,617.69 and 45,721,767.72

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Solution

The fourth proportional to 61,218,587.28, 84,487,617.69 and 45,721,767.72 is: 63,100,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,218,587.28 : 84,487,617.69 = 45,721,767.72 : x
  2. Step 2: Convert to fraction form
    61,218,587.28/84,487,617.69 = 45,721,767.72/x
  3. Step 3: Cross multiply
    61,218,587.28x = 84,487,617.69 × 45,721,767.72
  4. Step 4: Simplify right side
    61,218,587.28x = 3,862,923,231,238,343
  5. Step 5: Solve for x
    x = 3,862,923,231,238,343/61,218,587.28
  6. Step 6: Final answer
    x = 63,100,496.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.