Home / 91,406,467.32-126,143,245.80-50,153,348.76

Finding the Fourth Proportional to 91,406,467.32, 126,143,245.80 and 50,153,348.76

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Solution

The fourth proportional to 91,406,467.32, 126,143,245.80 and 50,153,348.76 is: 69,212,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,406,467.32 : 126,143,245.80 = 50,153,348.76 : x
  2. Step 2: Convert to fraction form
    91,406,467.32/126,143,245.80 = 50,153,348.76/x
  3. Step 3: Cross multiply
    91,406,467.32x = 126,143,245.80 × 50,153,348.76
  4. Step 4: Simplify right side
    91,406,467.32x = 6,326,506,200,325,805
  5. Step 5: Solve for x
    x = 6,326,506,200,325,805/91,406,467.32
  6. Step 6: Final answer
    x = 69,212,894.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.