Home / 91,288,351.77-125,938,338.96-60,391,553.01

Finding the Fourth Proportional to 91,288,351.77, 125,938,338.96 and 60,391,553.01

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Solution

The fourth proportional to 91,288,351.77, 125,938,338.96 and 60,391,553.01 is: 83,314,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,351.77 : 125,938,338.96 = 60,391,553.01 : x
  2. Step 2: Convert to fraction form
    91,288,351.77/125,938,338.96 = 60,391,553.01/x
  3. Step 3: Cross multiply
    91,288,351.77x = 125,938,338.96 × 60,391,553.01
  4. Step 4: Simplify right side
    91,288,351.77x = 7,605,611,873,294,188
  5. Step 5: Solve for x
    x = 7,605,611,873,294,188/91,288,351.77
  6. Step 6: Final answer
    x = 83,314,154.83

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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.