Home / 132,169,987.76-182,354,807.15-79,227,378.29

Finding the Fourth Proportional to 132,169,987.76, 182,354,807.15 and 79,227,378.29

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Solution

The fourth proportional to 132,169,987.76, 182,354,807.15 and 79,227,378.29 is: 109,309,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,169,987.76 : 182,354,807.15 = 79,227,378.29 : x
  2. Step 2: Convert to fraction form
    132,169,987.76/182,354,807.15 = 79,227,378.29/x
  3. Step 3: Cross multiply
    132,169,987.76x = 182,354,807.15 × 79,227,378.29
  4. Step 4: Simplify right side
    132,169,987.76x = 14,447,493,289,132,798
  5. Step 5: Solve for x
    x = 14,447,493,289,132,798/132,169,987.76
  6. Step 6: Final answer
    x = 109,309,938.92

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1.5x scale

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.