Home / 128,304,001.40-192,456,002.10-37,436,775.80

Finding the Fourth Proportional to 128,304,001.40, 192,456,002.10 and 37,436,775.80

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Solution

The fourth proportional to 128,304,001.40, 192,456,002.10 and 37,436,775.80 is: 56,155,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,001.40 : 192,456,002.10 = 37,436,775.80 : x
  2. Step 2: Convert to fraction form
    128,304,001.40/192,456,002.10 = 37,436,775.80/x
  3. Step 3: Cross multiply
    128,304,001.40x = 192,456,002.10 × 37,436,775.80
  4. Step 4: Simplify right side
    128,304,001.40x = 7,204,932,201,982,028
  5. Step 5: Solve for x
    x = 7,204,932,201,982,028/128,304,001.40
  6. Step 6: Final answer
    x = 56,155,163.70

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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.