Home / 115,074,092.81-172,679,240.12-42,341,949.47

Finding the Fourth Proportional to 115,074,092.81, 172,679,240.12 and 42,341,949.47

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Solution

The fourth proportional to 115,074,092.81, 172,679,240.12 and 42,341,949.47 is: 63,537,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,074,092.81 : 172,679,240.12 = 42,341,949.47 : x
  2. Step 2: Convert to fraction form
    115,074,092.81/172,679,240.12 = 42,341,949.47/x
  3. Step 3: Cross multiply
    115,074,092.81x = 172,679,240.12 × 42,341,949.47
  4. Step 4: Simplify right side
    115,074,092.81x = 7,311,575,659,165,667
  5. Step 5: Solve for x
    x = 7,311,575,659,165,667/115,074,092.81
  6. Step 6: Final answer
    x = 63,537,982.19

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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.