Home / 83,087,907.60-124,631,861.40-68,932,131.60

Finding the Fourth Proportional to 83,087,907.60, 124,631,861.40 and 68,932,131.60

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Solution

The fourth proportional to 83,087,907.60, 124,631,861.40 and 68,932,131.60 is: 103,398,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,087,907.60 : 124,631,861.40 = 68,932,131.60 : x
  2. Step 2: Convert to fraction form
    83,087,907.60/124,631,861.40 = 68,932,131.60/x
  3. Step 3: Cross multiply
    83,087,907.60x = 124,631,861.40 × 68,932,131.60
  4. Step 4: Simplify right side
    83,087,907.60x = 8,591,139,871,577,760
  5. Step 5: Solve for x
    x = 8,591,139,871,577,760/83,087,907.60
  6. Step 6: Final answer
    x = 103,398,197.40

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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.