Home / 131,598,678.13-181,608,946.59-72,062,474.65

Finding the Fourth Proportional to 131,598,678.13, 181,608,946.59 and 72,062,474.65

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Solution

The fourth proportional to 131,598,678.13, 181,608,946.59 and 72,062,474.65 is: 99,447,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,598,678.13 : 181,608,946.59 = 72,062,474.65 : x
  2. Step 2: Convert to fraction form
    131,598,678.13/181,608,946.59 = 72,062,474.65/x
  3. Step 3: Cross multiply
    131,598,678.13x = 181,608,946.59 × 72,062,474.65
  4. Step 4: Simplify right side
    131,598,678.13x = 13,087,190,109,855,080
  5. Step 5: Solve for x
    x = 13,087,190,109,855,080/131,598,678.13
  6. Step 6: Final answer
    x = 99,447,732.27

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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.