Home / 91,985,874.80-137,908,090.89-47,622,602.66

Finding the Fourth Proportional to 91,985,874.80, 137,908,090.89 and 47,622,602.66

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Solution

The fourth proportional to 91,985,874.80, 137,908,090.89 and 47,622,602.66 is: 71,397,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,985,874.80 : 137,908,090.89 = 47,622,602.66 : x
  2. Step 2: Convert to fraction form
    91,985,874.80/137,908,090.89 = 47,622,602.66/x
  3. Step 3: Cross multiply
    91,985,874.80x = 137,908,090.89 × 47,622,602.66
  4. Step 4: Simplify right side
    91,985,874.80x = 6,567,542,215,815,522
  5. Step 5: Solve for x
    x = 6,567,542,215,815,522/91,985,874.80
  6. Step 6: Final answer
    x = 71,397,290.40

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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.