Home / 78,800,716.30-118,041,642.15-54,567,006.70

Finding the Fourth Proportional to 78,800,716.30, 118,041,642.15 and 54,567,006.70

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Solution

The fourth proportional to 78,800,716.30, 118,041,642.15 and 54,567,006.70 is: 81,740,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,800,716.30 : 118,041,642.15 = 54,567,006.70 : x
  2. Step 2: Convert to fraction form
    78,800,716.30/118,041,642.15 = 54,567,006.70/x
  3. Step 3: Cross multiply
    78,800,716.30x = 118,041,642.15 × 54,567,006.70
  4. Step 4: Simplify right side
    78,800,716.30x = 6,441,179,078,078,053
  5. Step 5: Solve for x
    x = 6,441,179,078,078,053/78,800,716.30
  6. Step 6: Final answer
    x = 81,740,108.22

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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.