Home / 87,955,950.53-121,393,780.85-48,810,300.77

Finding the Fourth Proportional to 87,955,950.53, 121,393,780.85 and 48,810,300.77

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Solution

The fourth proportional to 87,955,950.53, 121,393,780.85 and 48,810,300.77 is: 67,366,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,955,950.53 : 121,393,780.85 = 48,810,300.77 : x
  2. Step 2: Convert to fraction form
    87,955,950.53/121,393,780.85 = 48,810,300.77/x
  3. Step 3: Cross multiply
    87,955,950.53x = 121,393,780.85 × 48,810,300.77
  4. Step 4: Simplify right side
    87,955,950.53x = 5,925,266,954,651,915
  5. Step 5: Solve for x
    x = 5,925,266,954,651,915/87,955,950.53
  6. Step 6: Final answer
    x = 67,366,300.05

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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.