Home / 90,632,818.40-135,930,334.80-33,152,165.60

Finding the Fourth Proportional to 90,632,818.40, 135,930,334.80 and 33,152,165.60

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Solution

The fourth proportional to 90,632,818.40, 135,930,334.80 and 33,152,165.60 is: 49,721,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,632,818.40 : 135,930,334.80 = 33,152,165.60 : x
  2. Step 2: Convert to fraction form
    90,632,818.40/135,930,334.80 = 33,152,165.60/x
  3. Step 3: Cross multiply
    90,632,818.40x = 135,930,334.80 × 33,152,165.60
  4. Step 4: Simplify right side
    90,632,818.40x = 4,506,384,969,353,043
  5. Step 5: Solve for x
    x = 4,506,384,969,353,043/90,632,818.40
  6. Step 6: Final answer
    x = 49,721,337.69

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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.