Home / 372,215,504.30-558,344,251.65-113,439,166.70

Finding the Fourth Proportional to 372,215,504.30, 558,344,251.65 and 113,439,166.70

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Solution

The fourth proportional to 372,215,504.30, 558,344,251.65 and 113,439,166.70 is: 170,165,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,215,504.30 : 558,344,251.65 = 113,439,166.70 : x
  2. Step 2: Convert to fraction form
    372,215,504.30/558,344,251.65 = 113,439,166.70/x
  3. Step 3: Cross multiply
    372,215,504.30x = 558,344,251.65 × 113,439,166.70
  4. Step 4: Simplify right side
    372,215,504.30x = 63,338,106,638,911,096
  5. Step 5: Solve for x
    x = 63,338,106,638,911,096/372,215,504.30
  6. Step 6: Final answer
    x = 170,165,148.70

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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.