Home / 90,969,758.57-136,468,746.18-38,447,651.13

Finding the Fourth Proportional to 90,969,758.57, 136,468,746.18 and 38,447,651.13

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Solution

The fourth proportional to 90,969,758.57, 136,468,746.18 and 38,447,651.13 is: 57,677,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,969,758.57 : 136,468,746.18 = 38,447,651.13 : x
  2. Step 2: Convert to fraction form
    90,969,758.57/136,468,746.18 = 38,447,651.13/x
  3. Step 3: Cross multiply
    90,969,758.57x = 136,468,746.18 × 38,447,651.13
  4. Step 4: Simplify right side
    90,969,758.57x = 5,246,902,743,277,161
  5. Step 5: Solve for x
    x = 5,246,902,743,277,161/90,969,758.57
  6. Step 6: Final answer
    x = 57,677,439.47

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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.