Home / 71,860,049.10-107,790,929.01-20,041,498.98

Finding the Fourth Proportional to 71,860,049.10, 107,790,929.01 and 20,041,498.98

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Solution

The fourth proportional to 71,860,049.10, 107,790,929.01 and 20,041,498.98 is: 30,062,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,860,049.10 : 107,790,929.01 = 20,041,498.98 : x
  2. Step 2: Convert to fraction form
    71,860,049.10/107,790,929.01 = 20,041,498.98/x
  3. Step 3: Cross multiply
    71,860,049.10x = 107,790,929.01 × 20,041,498.98
  4. Step 4: Simplify right side
    71,860,049.10x = 2,160,291,793,807,167.50
  5. Step 5: Solve for x
    x = 2,160,291,793,807,167.50/71,860,049.10
  6. Step 6: Final answer
    x = 30,062,487.03

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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.