Home / 100,367,267.32-138,509,217.15-56,317,524.13

Finding the Fourth Proportional to 100,367,267.32, 138,509,217.15 and 56,317,524.13

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Solution

The fourth proportional to 100,367,267.32, 138,509,217.15 and 56,317,524.13 is: 77,719,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,367,267.32 : 138,509,217.15 = 56,317,524.13 : x
  2. Step 2: Convert to fraction form
    100,367,267.32/138,509,217.15 = 56,317,524.13/x
  3. Step 3: Cross multiply
    100,367,267.32x = 138,509,217.15 × 56,317,524.13
  4. Step 4: Simplify right side
    100,367,267.32x = 7,800,496,179,072,536
  5. Step 5: Solve for x
    x = 7,800,496,179,072,536/100,367,267.32
  6. Step 6: Final answer
    x = 77,719,523.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.