Home / 81,373,818-112,295,914.20-44,706,750.96

Finding the Fourth Proportional to 81,373,818, 112,295,914.20 and 44,706,750.96

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Solution

The fourth proportional to 81,373,818, 112,295,914.20 and 44,706,750.96 is: 61,695,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,373,818 : 112,295,914.20 = 44,706,750.96 : x
  2. Step 2: Convert to fraction form
    81,373,818/112,295,914.20 = 44,706,750.96/x
  3. Step 3: Cross multiply
    81,373,818x = 112,295,914.20 × 44,706,750.96
  4. Step 4: Simplify right side
    81,373,818x = 5,020,385,469,964,928
  5. Step 5: Solve for x
    x = 5,020,385,469,964,928/81,373,818
  6. Step 6: Final answer
    x = 61,695,341.25

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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.