Home / 119,148,043.64-164,437,614-72,131,023.80

Finding the Fourth Proportional to 119,148,043.64, 164,437,614 and 72,131,023.80

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Solution

The fourth proportional to 119,148,043.64, 164,437,614 and 72,131,023.80 is: 99,548,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,148,043.64 : 164,437,614 = 72,131,023.80 : x
  2. Step 2: Convert to fraction form
    119,148,043.64/164,437,614 = 72,131,023.80/x
  3. Step 3: Cross multiply
    119,148,043.64x = 164,437,614 × 72,131,023.80
  4. Step 4: Simplify right side
    119,148,043.64x = 11,861,053,449,049,212
  5. Step 5: Solve for x
    x = 11,861,053,449,049,212/119,148,043.64
  6. Step 6: Final answer
    x = 99,548,872.87

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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.