Home / 55,405,874.80-83,108,812.20-34,998,540.40

Finding the Fourth Proportional to 55,405,874.80, 83,108,812.20 and 34,998,540.40

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Solution

The fourth proportional to 55,405,874.80, 83,108,812.20 and 34,998,540.40 is: 52,497,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,405,874.80 : 83,108,812.20 = 34,998,540.40 : x
  2. Step 2: Convert to fraction form
    55,405,874.80/83,108,812.20 = 34,998,540.40/x
  3. Step 3: Cross multiply
    55,405,874.80x = 83,108,812.20 × 34,998,540.40
  4. Step 4: Simplify right side
    55,405,874.80x = 2,908,687,121,377,713
  5. Step 5: Solve for x
    x = 2,908,687,121,377,713/55,405,874.80
  6. Step 6: Final answer
    x = 52,497,810.60

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1.5x scale

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.