Home / 91,156,886.92-136,691,473.74-30,530,214.28

Finding the Fourth Proportional to 91,156,886.92, 136,691,473.74 and 30,530,214.28

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Solution

The fourth proportional to 91,156,886.92, 136,691,473.74 and 30,530,214.28 is: 45,780,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,156,886.92 : 136,691,473.74 = 30,530,214.28 : x
  2. Step 2: Convert to fraction form
    91,156,886.92/136,691,473.74 = 30,530,214.28/x
  3. Step 3: Cross multiply
    91,156,886.92x = 136,691,473.74 × 30,530,214.28
  4. Step 4: Simplify right side
    91,156,886.92x = 4,173,219,983,531,193.50
  5. Step 5: Solve for x
    x = 4,173,219,983,531,193.50/91,156,886.92
  6. Step 6: Final answer
    x = 45,780,632.98

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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.