Home / 90,753,224.40-136,129,836.60-30,161,077.20

Finding the Fourth Proportional to 90,753,224.40, 136,129,836.60 and 30,161,077.20

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Solution

The fourth proportional to 90,753,224.40, 136,129,836.60 and 30,161,077.20 is: 45,241,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,753,224.40 : 136,129,836.60 = 30,161,077.20 : x
  2. Step 2: Convert to fraction form
    90,753,224.40/136,129,836.60 = 30,161,077.20/x
  3. Step 3: Cross multiply
    90,753,224.40x = 136,129,836.60 × 30,161,077.20
  4. Step 4: Simplify right side
    90,753,224.40x = 4,105,822,510,915,985
  5. Step 5: Solve for x
    x = 4,105,822,510,915,985/90,753,224.40
  6. Step 6: Final answer
    x = 45,241,615.80

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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.