Home / 78,736,054.20-118,104,081.30-44,156,959.80

Finding the Fourth Proportional to 78,736,054.20, 118,104,081.30 and 44,156,959.80

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Solution

The fourth proportional to 78,736,054.20, 118,104,081.30 and 44,156,959.80 is: 66,235,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,736,054.20 : 118,104,081.30 = 44,156,959.80 : x
  2. Step 2: Convert to fraction form
    78,736,054.20/118,104,081.30 = 44,156,959.80/x
  3. Step 3: Cross multiply
    78,736,054.20x = 118,104,081.30 × 44,156,959.80
  4. Step 4: Simplify right side
    78,736,054.20x = 5,215,117,170,180,031
  5. Step 5: Solve for x
    x = 5,215,117,170,180,031/78,736,054.20
  6. Step 6: Final answer
    x = 66,235,439.70

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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.