Home / 90,196,084.17-135,300,267.57-28,789,865.39

Finding the Fourth Proportional to 90,196,084.17, 135,300,267.57 and 28,789,865.39

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Solution

The fourth proportional to 90,196,084.17, 135,300,267.57 and 28,789,865.39 is: 43,186,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,196,084.17 : 135,300,267.57 = 28,789,865.39 : x
  2. Step 2: Convert to fraction form
    90,196,084.17/135,300,267.57 = 28,789,865.39/x
  3. Step 3: Cross multiply
    90,196,084.17x = 135,300,267.57 × 28,789,865.39
  4. Step 4: Simplify right side
    90,196,084.17x = 3,895,276,489,894,781
  5. Step 5: Solve for x
    x = 3,895,276,489,894,781/90,196,084.17
  6. Step 6: Final answer
    x = 43,186,758.34

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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.