Home / 130,151,672.88-195,025,672.08-75,428,528.52

Finding the Fourth Proportional to 130,151,672.88, 195,025,672.08 and 75,428,528.52

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Solution

The fourth proportional to 130,151,672.88, 195,025,672.08 and 75,428,528.52 is: 113,025,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,151,672.88 : 195,025,672.08 = 75,428,528.52 : x
  2. Step 2: Convert to fraction form
    130,151,672.88/195,025,672.08 = 75,428,528.52/x
  3. Step 3: Cross multiply
    130,151,672.88x = 195,025,672.08 × 75,428,528.52
  4. Step 4: Simplify right side
    130,151,672.88x = 14,710,499,468,618,448
  5. Step 5: Solve for x
    x = 14,710,499,468,618,448/130,151,672.88
  6. Step 6: Final answer
    x = 113,025,819.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.