Home / 91,241,932-125,882,865.84-52,055,557.60

Finding the Fourth Proportional to 91,241,932, 125,882,865.84 and 52,055,557.60

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Solution

The fourth proportional to 91,241,932, 125,882,865.84 and 52,055,557.60 is: 71,818,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,241,932 : 125,882,865.84 = 52,055,557.60 : x
  2. Step 2: Convert to fraction form
    91,241,932/125,882,865.84 = 52,055,557.60/x
  3. Step 3: Cross multiply
    91,241,932x = 125,882,865.84 × 52,055,557.60
  4. Step 4: Simplify right side
    91,241,932x = 6,552,902,773,587,193
  5. Step 5: Solve for x
    x = 6,552,902,773,587,193/91,241,932
  6. Step 6: Final answer
    x = 71,818,983.11

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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.