Home / 79,172,947.24-118,557,815.10-52,164,721.96

Finding the Fourth Proportional to 79,172,947.24, 118,557,815.10 and 52,164,721.96

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Solution

The fourth proportional to 79,172,947.24, 118,557,815.10 and 52,164,721.96 is: 78,114,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,172,947.24 : 118,557,815.10 = 52,164,721.96 : x
  2. Step 2: Convert to fraction form
    79,172,947.24/118,557,815.10 = 52,164,721.96/x
  3. Step 3: Cross multiply
    79,172,947.24x = 118,557,815.10 × 52,164,721.96
  4. Step 4: Simplify right side
    79,172,947.24x = 6,184,535,460,876,589
  5. Step 5: Solve for x
    x = 6,184,535,460,876,589/79,172,947.24
  6. Step 6: Final answer
    x = 78,114,250.85

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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.