Home / 117,524,139.90-176,286,209.85-71,539,986.30

Finding the Fourth Proportional to 117,524,139.90, 176,286,209.85 and 71,539,986.30

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Solution

The fourth proportional to 117,524,139.90, 176,286,209.85 and 71,539,986.30 is: 107,309,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,524,139.90 : 176,286,209.85 = 71,539,986.30 : x
  2. Step 2: Convert to fraction form
    117,524,139.90/176,286,209.85 = 71,539,986.30/x
  3. Step 3: Cross multiply
    117,524,139.90x = 176,286,209.85 × 71,539,986.30
  4. Step 4: Simplify right side
    117,524,139.90x = 12,611,513,037,547,924
  5. Step 5: Solve for x
    x = 12,611,513,037,547,924/117,524,139.90
  6. Step 6: Final answer
    x = 107,309,979.45

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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.