Home / 129,059,628.60-193,589,442.90-114,950,854.20

Finding the Fourth Proportional to 129,059,628.60, 193,589,442.90 and 114,950,854.20

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Solution

The fourth proportional to 129,059,628.60, 193,589,442.90 and 114,950,854.20 is: 172,426,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,059,628.60 : 193,589,442.90 = 114,950,854.20 : x
  2. Step 2: Convert to fraction form
    129,059,628.60/193,589,442.90 = 114,950,854.20/x
  3. Step 3: Cross multiply
    129,059,628.60x = 193,589,442.90 × 114,950,854.20
  4. Step 4: Simplify right side
    129,059,628.60x = 22,253,271,825,457,128
  5. Step 5: Solve for x
    x = 22,253,271,825,457,128/129,059,628.60
  6. Step 6: Final answer
    x = 172,426,281.30

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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.