Home / 131,246,807.76-181,115,079.84-75,488,018.04

Finding the Fourth Proportional to 131,246,807.76, 181,115,079.84 and 75,488,018.04

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Solution

The fourth proportional to 131,246,807.76, 181,115,079.84 and 75,488,018.04 is: 104,170,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,246,807.76 : 181,115,079.84 = 75,488,018.04 : x
  2. Step 2: Convert to fraction form
    131,246,807.76/181,115,079.84 = 75,488,018.04/x
  3. Step 3: Cross multiply
    131,246,807.76x = 181,115,079.84 × 75,488,018.04
  4. Step 4: Simplify right side
    131,246,807.76x = 13,672,018,414,277,962
  5. Step 5: Solve for x
    x = 13,672,018,414,277,962/131,246,807.76
  6. Step 6: Final answer
    x = 104,170,292.96

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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.