Home / 55,612,003.20-83,418,004.80-38,605,891.20

Finding the Fourth Proportional to 55,612,003.20, 83,418,004.80 and 38,605,891.20

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Solution

The fourth proportional to 55,612,003.20, 83,418,004.80 and 38,605,891.20 is: 57,908,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612,003.20 : 83,418,004.80 = 38,605,891.20 : x
  2. Step 2: Convert to fraction form
    55,612,003.20/83,418,004.80 = 38,605,891.20/x
  3. Step 3: Cross multiply
    55,612,003.20x = 83,418,004.80 × 38,605,891.20
  4. Step 4: Simplify right side
    55,612,003.20x = 3,220,426,417,429,878
  5. Step 5: Solve for x
    x = 3,220,426,417,429,878/55,612,003.20
  6. Step 6: Final answer
    x = 57,908,836.80

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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.