Home / 88,056,007.80-131,818,590.90-77,439,175.80

Finding the Fourth Proportional to 88,056,007.80, 131,818,590.90 and 77,439,175.80

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Solution

The fourth proportional to 88,056,007.80, 131,818,590.90 and 77,439,175.80 is: 115,925,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,056,007.80 : 131,818,590.90 = 77,439,175.80 : x
  2. Step 2: Convert to fraction form
    88,056,007.80/131,818,590.90 = 77,439,175.80/x
  3. Step 3: Cross multiply
    88,056,007.80x = 131,818,590.90 × 77,439,175.80
  4. Step 4: Simplify right side
    88,056,007.80x = 10,207,923,034,413,380
  5. Step 5: Solve for x
    x = 10,207,923,034,413,380/88,056,007.80
  6. Step 6: Final answer
    x = 115,925,344.44

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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.