Home / 72,532,811.10-108,799,216.65-68,277,783.90

Finding the Fourth Proportional to 72,532,811.10, 108,799,216.65 and 68,277,783.90

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Solution

The fourth proportional to 72,532,811.10, 108,799,216.65 and 68,277,783.90 is: 102,416,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,532,811.10 : 108,799,216.65 = 68,277,783.90 : x
  2. Step 2: Convert to fraction form
    72,532,811.10/108,799,216.65 = 68,277,783.90/x
  3. Step 3: Cross multiply
    72,532,811.10x = 108,799,216.65 × 68,277,783.90
  4. Step 4: Simplify right side
    72,532,811.10x = 7,428,569,402,917,983
  5. Step 5: Solve for x
    x = 7,428,569,402,917,983/72,532,811.10
  6. Step 6: Final answer
    x = 102,416,675.85

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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.