Home / 90,133,877.76-135,181,897.38-25,422,549.57

Finding the Fourth Proportional to 90,133,877.76, 135,181,897.38 and 25,422,549.57

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Solution

The fourth proportional to 90,133,877.76, 135,181,897.38 and 25,422,549.57 is: 38,128,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,133,877.76 : 135,181,897.38 = 25,422,549.57 : x
  2. Step 2: Convert to fraction form
    90,133,877.76/135,181,897.38 = 25,422,549.57/x
  3. Step 3: Cross multiply
    90,133,877.76x = 135,181,897.38 × 25,422,549.57
  4. Step 4: Simplify right side
    90,133,877.76x = 3,436,668,487,109,703
  5. Step 5: Solve for x
    x = 3,436,668,487,109,703/90,133,877.76
  6. Step 6: Final answer
    x = 38,128,488.12

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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.