Home / 78,744,523.20-118,116,784.80-44,165,428.80

Finding the Fourth Proportional to 78,744,523.20, 118,116,784.80 and 44,165,428.80

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Solution

The fourth proportional to 78,744,523.20, 118,116,784.80 and 44,165,428.80 is: 66,248,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,744,523.20 : 118,116,784.80 = 44,165,428.80 : x
  2. Step 2: Convert to fraction form
    78,744,523.20/118,116,784.80 = 44,165,428.80/x
  3. Step 3: Cross multiply
    78,744,523.20x = 118,116,784.80 × 44,165,428.80
  4. Step 4: Simplify right side
    78,744,523.20x = 5,216,678,449,169,322
  5. Step 5: Solve for x
    x = 5,216,678,449,169,322/78,744,523.20
  6. Step 6: Final answer
    x = 66,248,143.20

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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.