Home / 442,868,695.40-664,303,043.10-136,120,950.20

Finding the Fourth Proportional to 442,868,695.40, 664,303,043.10 and 136,120,950.20

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Solution

The fourth proportional to 442,868,695.40, 664,303,043.10 and 136,120,950.20 is: 204,181,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,695.40 : 664,303,043.10 = 136,120,950.20 : x
  2. Step 2: Convert to fraction form
    442,868,695.40/664,303,043.10 = 136,120,950.20/x
  3. Step 3: Cross multiply
    442,868,695.40x = 664,303,043.10 × 136,120,950.20
  4. Step 4: Simplify right side
    442,868,695.40x = 90,425,561,447,523,552
  5. Step 5: Solve for x
    x = 90,425,561,447,523,552/442,868,695.40
  6. Step 6: Final answer
    x = 204,181,425.30

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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.