Home / 52,700,073.93-78,995,306.16-20,374,179.21

Finding the Fourth Proportional to 52,700,073.93, 78,995,306.16 and 20,374,179.21

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Solution

The fourth proportional to 52,700,073.93, 78,995,306.16 and 20,374,179.21 is: 30,540,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,700,073.93 : 78,995,306.16 = 20,374,179.21 : x
  2. Step 2: Convert to fraction form
    52,700,073.93/78,995,306.16 = 20,374,179.21/x
  3. Step 3: Cross multiply
    52,700,073.93x = 78,995,306.16 × 20,374,179.21
  4. Step 4: Simplify right side
    52,700,073.93x = 1,609,464,524,452,657
  5. Step 5: Solve for x
    x = 1,609,464,524,452,657/52,700,073.93
  6. Step 6: Final answer
    x = 30,540,080.96

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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.