Home / 131,614,721.97-181,817,507.54-105,118,287.93

Finding the Fourth Proportional to 131,614,721.97, 181,817,507.54 and 105,118,287.93

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Solution

The fourth proportional to 131,614,721.97, 181,817,507.54 and 105,118,287.93 is: 145,214,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,614,721.97 : 181,817,507.54 = 105,118,287.93 : x
  2. Step 2: Convert to fraction form
    131,614,721.97/181,817,507.54 = 105,118,287.93/x
  3. Step 3: Cross multiply
    131,614,721.97x = 181,817,507.54 × 105,118,287.93
  4. Step 4: Simplify right side
    131,614,721.97x = 19,112,345,108,304,668
  5. Step 5: Solve for x
    x = 19,112,345,108,304,668/131,614,721.97
  6. Step 6: Final answer
    x = 145,214,340.94

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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.