Home / 57,472,001.80-86,208,002.70-55,204,520.20

Finding the Fourth Proportional to 57,472,001.80, 86,208,002.70 and 55,204,520.20

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Solution

The fourth proportional to 57,472,001.80, 86,208,002.70 and 55,204,520.20 is: 82,806,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472,001.80 : 86,208,002.70 = 55,204,520.20 : x
  2. Step 2: Convert to fraction form
    57,472,001.80/86,208,002.70 = 55,204,520.20/x
  3. Step 3: Cross multiply
    57,472,001.80x = 86,208,002.70 × 55,204,520.20
  4. Step 4: Simplify right side
    57,472,001.80x = 4,759,071,426,453,805
  5. Step 5: Solve for x
    x = 4,759,071,426,453,805/57,472,001.80
  6. Step 6: Final answer
    x = 82,806,780.30

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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.