Home / 71,539,793.40-107,309,690.10-60,060,667.80

Finding the Fourth Proportional to 71,539,793.40, 107,309,690.10 and 60,060,667.80

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Solution

The fourth proportional to 71,539,793.40, 107,309,690.10 and 60,060,667.80 is: 90,091,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,539,793.40 : 107,309,690.10 = 60,060,667.80 : x
  2. Step 2: Convert to fraction form
    71,539,793.40/107,309,690.10 = 60,060,667.80/x
  3. Step 3: Cross multiply
    71,539,793.40x = 107,309,690.10 × 60,060,667.80
  4. Step 4: Simplify right side
    71,539,793.40x = 6,445,091,648,817,048
  5. Step 5: Solve for x
    x = 6,445,091,648,817,048/71,539,793.40
  6. Step 6: Final answer
    x = 90,091,001.70

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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.