Home / 131,233,308.97-181,107,468.75-75,478,744.91

Finding the Fourth Proportional to 131,233,308.97, 181,107,468.75 and 75,478,744.91

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Solution

The fourth proportional to 131,233,308.97, 181,107,468.75 and 75,478,744.91 is: 104,163,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,233,308.97 : 181,107,468.75 = 75,478,744.91 : x
  2. Step 2: Convert to fraction form
    131,233,308.97/181,107,468.75 = 75,478,744.91/x
  3. Step 3: Cross multiply
    131,233,308.97x = 181,107,468.75 × 75,478,744.91
  4. Step 4: Simplify right side
    131,233,308.97x = 13,669,764,435,077,046
  5. Step 5: Solve for x
    x = 13,669,764,435,077,046/131,233,308.97
  6. Step 6: Final answer
    x = 104,163,832.66

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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.