Home / 129,061,567.40-193,536,363.90-42,766,629.80

Finding the Fourth Proportional to 129,061,567.40, 193,536,363.90 and 42,766,629.80

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Solution

The fourth proportional to 129,061,567.40, 193,536,363.90 and 42,766,629.80 is: 64,131,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,061,567.40 : 193,536,363.90 = 42,766,629.80 : x
  2. Step 2: Convert to fraction form
    129,061,567.40/193,536,363.90 = 42,766,629.80/x
  3. Step 3: Cross multiply
    129,061,567.40x = 193,536,363.90 × 42,766,629.80
  4. Step 4: Simplify right side
    129,061,567.40x = 8,276,898,027,749,384
  5. Step 5: Solve for x
    x = 8,276,898,027,749,384/129,061,567.40
  6. Step 6: Final answer
    x = 64,131,392.44

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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.