Home / 112,581,736.56-155,282,704.65-103,319,217.39

Finding the Fourth Proportional to 112,581,736.56, 155,282,704.65 and 103,319,217.39

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Solution

The fourth proportional to 112,581,736.56, 155,282,704.65 and 103,319,217.39 is: 142,507,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,581,736.56 : 155,282,704.65 = 103,319,217.39 : x
  2. Step 2: Convert to fraction form
    112,581,736.56/155,282,704.65 = 103,319,217.39/x
  3. Step 3: Cross multiply
    112,581,736.56x = 155,282,704.65 × 103,319,217.39
  4. Step 4: Simplify right side
    112,581,736.56x = 16,043,687,518,640,514
  5. Step 5: Solve for x
    x = 16,043,687,518,640,514/112,581,736.56
  6. Step 6: Final answer
    x = 142,507,017.65

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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.