Home / 111,486,115.06-153,816,129.14-64,426,044.03

Finding the Fourth Proportional to 111,486,115.06, 153,816,129.14 and 64,426,044.03

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Solution

The fourth proportional to 111,486,115.06, 153,816,129.14 and 64,426,044.03 is: 88,887,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,486,115.06 : 153,816,129.14 = 64,426,044.03 : x
  2. Step 2: Convert to fraction form
    111,486,115.06/153,816,129.14 = 64,426,044.03/x
  3. Step 3: Cross multiply
    111,486,115.06x = 153,816,129.14 × 64,426,044.03
  4. Step 4: Simplify right side
    111,486,115.06x = 9,909,764,707,945,966
  5. Step 5: Solve for x
    x = 9,909,764,707,945,966/111,486,115.06
  6. Step 6: Final answer
    x = 88,887,882.61

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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.