Home / 55,124,859.30-82,687,288.95-38,685,617.70

Finding the Fourth Proportional to 55,124,859.30, 82,687,288.95 and 38,685,617.70

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Solution

The fourth proportional to 55,124,859.30, 82,687,288.95 and 38,685,617.70 is: 58,028,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124,859.30 : 82,687,288.95 = 38,685,617.70 : x
  2. Step 2: Convert to fraction form
    55,124,859.30/82,687,288.95 = 38,685,617.70/x
  3. Step 3: Cross multiply
    55,124,859.30x = 82,687,288.95 × 38,685,617.70
  4. Step 4: Simplify right side
    55,124,859.30x = 3,198,808,848,969,135
  5. Step 5: Solve for x
    x = 3,198,808,848,969,135/55,124,859.30
  6. Step 6: Final answer
    x = 58,028,426.55

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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.