Home / 129,061,566.40-193,536,362.40-42,766,628.80

Finding the Fourth Proportional to 129,061,566.40, 193,536,362.40 and 42,766,628.80

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Solution

The fourth proportional to 129,061,566.40, 193,536,362.40 and 42,766,628.80 is: 64,131,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,061,566.40 : 193,536,362.40 = 42,766,628.80 : x
  2. Step 2: Convert to fraction form
    129,061,566.40/193,536,362.40 = 42,766,628.80/x
  3. Step 3: Cross multiply
    129,061,566.40x = 193,536,362.40 × 42,766,628.80
  4. Step 4: Simplify right side
    129,061,566.40x = 8,276,897,770,063,077
  5. Step 5: Solve for x
    x = 8,276,897,770,063,077/129,061,566.40
  6. Step 6: Final answer
    x = 64,131,390.94

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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.