Home / 72,246,575.50-99,700,535.21-39,206,817.45

Finding the Fourth Proportional to 72,246,575.50, 99,700,535.21 and 39,206,817.45

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Solution

The fourth proportional to 72,246,575.50, 99,700,535.21 and 39,206,817.45 is: 54,105,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,246,575.50 : 99,700,535.21 = 39,206,817.45 : x
  2. Step 2: Convert to fraction form
    72,246,575.50/99,700,535.21 = 39,206,817.45/x
  3. Step 3: Cross multiply
    72,246,575.50x = 99,700,535.21 × 39,206,817.45
  4. Step 4: Simplify right side
    72,246,575.50x = 3,908,940,683,449,733.50
  5. Step 5: Solve for x
    x = 3,908,940,683,449,733.50/72,246,575.50
  6. Step 6: Final answer
    x = 54,105,549.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.