Home / 55,147,301.20-82,720,951.80-37,007,448.40

Finding the Fourth Proportional to 55,147,301.20, 82,720,951.80 and 37,007,448.40

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Solution

The fourth proportional to 55,147,301.20, 82,720,951.80 and 37,007,448.40 is: 55,511,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,301.20 : 82,720,951.80 = 37,007,448.40 : x
  2. Step 2: Convert to fraction form
    55,147,301.20/82,720,951.80 = 37,007,448.40/x
  3. Step 3: Cross multiply
    55,147,301.20x = 82,720,951.80 × 37,007,448.40
  4. Step 4: Simplify right side
    55,147,301.20x = 3,061,291,355,337,387
  5. Step 5: Solve for x
    x = 3,061,291,355,337,387/55,147,301.20
  6. Step 6: Final answer
    x = 55,511,172.60

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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.