Home / 115,071,724.17-158,796,987.44-62,859,417.39

Finding the Fourth Proportional to 115,071,724.17, 158,796,987.44 and 62,859,417.39

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Solution

The fourth proportional to 115,071,724.17, 158,796,987.44 and 62,859,417.39 is: 86,744,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,071,724.17 : 158,796,987.44 = 62,859,417.39 : x
  2. Step 2: Convert to fraction form
    115,071,724.17/158,796,987.44 = 62,859,417.39/x
  3. Step 3: Cross multiply
    115,071,724.17x = 158,796,987.44 × 62,859,417.39
  4. Step 4: Simplify right side
    115,071,724.17x = 9,981,886,113,451,250
  5. Step 5: Solve for x
    x = 9,981,886,113,451,250/115,071,724.17
  6. Step 6: Final answer
    x = 86,744,907.89

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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.