Home / 90,498,891.81-124,891,293.24-51,342,318.93

Finding the Fourth Proportional to 90,498,891.81, 124,891,293.24 and 51,342,318.93

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Solution

The fourth proportional to 90,498,891.81, 124,891,293.24 and 51,342,318.93 is: 70,854,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,498,891.81 : 124,891,293.24 = 51,342,318.93 : x
  2. Step 2: Convert to fraction form
    90,498,891.81/124,891,293.24 = 51,342,318.93/x
  3. Step 3: Cross multiply
    90,498,891.81x = 124,891,293.24 × 51,342,318.93
  4. Step 4: Simplify right side
    90,498,891.81x = 6,412,208,609,108,233
  5. Step 5: Solve for x
    x = 6,412,208,609,108,233/90,498,891.81
  6. Step 6: Final answer
    x = 70,854,001.42

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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.