Home / 90,639,509.42-135,985,794.71-29,227,433.04

Finding the Fourth Proportional to 90,639,509.42, 135,985,794.71 and 29,227,433.04

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Solution

The fourth proportional to 90,639,509.42, 135,985,794.71 and 29,227,433.04 is: 43,849,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,639,509.42 : 135,985,794.71 = 29,227,433.04 : x
  2. Step 2: Convert to fraction form
    90,639,509.42/135,985,794.71 = 29,227,433.04/x
  3. Step 3: Cross multiply
    90,639,509.42x = 135,985,794.71 × 29,227,433.04
  4. Step 4: Simplify right side
    90,639,509.42x = 3,974,515,709,131,574.50
  5. Step 5: Solve for x
    x = 3,974,515,709,131,574.50/90,639,509.42
  6. Step 6: Final answer
    x = 43,849,704.55

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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.