Home / 181,656,349.47-251,013,679.38-129,354,583.86

Finding the Fourth Proportional to 181,656,349.47, 251,013,679.38 and 129,354,583.86

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Solution

The fourth proportional to 181,656,349.47, 251,013,679.38 and 129,354,583.86 is: 178,742,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,656,349.47 : 251,013,679.38 = 129,354,583.86 : x
  2. Step 2: Convert to fraction form
    181,656,349.47/251,013,679.38 = 129,354,583.86/x
  3. Step 3: Cross multiply
    181,656,349.47x = 251,013,679.38 × 129,354,583.86
  4. Step 4: Simplify right side
    181,656,349.47x = 32,469,770,039,367,364
  5. Step 5: Solve for x
    x = 32,469,770,039,367,364/181,656,349.47
  6. Step 6: Final answer
    x = 178,742,830.26

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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.