Home / 132,926,478.20-199,389,717.30-72,460,302.20

Finding the Fourth Proportional to 132,926,478.20, 199,389,717.30 and 72,460,302.20

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Solution

The fourth proportional to 132,926,478.20, 199,389,717.30 and 72,460,302.20 is: 108,690,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,926,478.20 : 199,389,717.30 = 72,460,302.20 : x
  2. Step 2: Convert to fraction form
    132,926,478.20/199,389,717.30 = 72,460,302.20/x
  3. Step 3: Cross multiply
    132,926,478.20x = 199,389,717.30 × 72,460,302.20
  4. Step 4: Simplify right side
    132,926,478.20x = 14,447,839,171,130,570
  5. Step 5: Solve for x
    x = 14,447,839,171,130,570/132,926,478.20
  6. Step 6: Final answer
    x = 108,690,453.30

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Similar ratio
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1.5x scale

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.