Home / 78,736,043.70-118,104,065.55-44,156,949.30

Finding the Fourth Proportional to 78,736,043.70, 118,104,065.55 and 44,156,949.30

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Solution

The fourth proportional to 78,736,043.70, 118,104,065.55 and 44,156,949.30 is: 66,235,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,736,043.70 : 118,104,065.55 = 44,156,949.30 : x
  2. Step 2: Convert to fraction form
    78,736,043.70/118,104,065.55 = 44,156,949.30/x
  3. Step 3: Cross multiply
    78,736,043.70x = 118,104,065.55 × 44,156,949.30
  4. Step 4: Simplify right side
    78,736,043.70x = 5,215,115,234,615,226
  5. Step 5: Solve for x
    x = 5,215,115,234,615,226/78,736,043.70
  6. Step 6: Final answer
    x = 66,235,423.95

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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.