Home / 61,101,217.80-91,651,826.70-53,209,318.95

Finding the Fourth Proportional to 61,101,217.80, 91,651,826.70 and 53,209,318.95

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Solution

The fourth proportional to 61,101,217.80, 91,651,826.70 and 53,209,318.95 is: 79,813,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,101,217.80 : 91,651,826.70 = 53,209,318.95 : x
  2. Step 2: Convert to fraction form
    61,101,217.80/91,651,826.70 = 53,209,318.95/x
  3. Step 3: Cross multiply
    61,101,217.80x = 91,651,826.70 × 53,209,318.95
  4. Step 4: Simplify right side
    61,101,217.80x = 4,876,731,279,230,426
  5. Step 5: Solve for x
    x = 4,876,731,279,230,426/61,101,217.80
  6. Step 6: Final answer
    x = 79,813,978.43

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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.