Home / 102,923,504.72-142,034,437.25-56,513,758.65

Finding the Fourth Proportional to 102,923,504.72, 142,034,437.25 and 56,513,758.65

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Solution

The fourth proportional to 102,923,504.72, 142,034,437.25 and 56,513,758.65 is: 77,988,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,923,504.72 : 142,034,437.25 = 56,513,758.65 : x
  2. Step 2: Convert to fraction form
    102,923,504.72/142,034,437.25 = 56,513,758.65/x
  3. Step 3: Cross multiply
    102,923,504.72x = 142,034,437.25 × 56,513,758.65
  4. Step 4: Simplify right side
    102,923,504.72x = 8,026,899,906,452,501
  5. Step 5: Solve for x
    x = 8,026,899,906,452,501/102,923,504.72
  6. Step 6: Final answer
    x = 77,988,987.34

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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.