Home / 82,482,200.52-123,739,233.07-31,360,244.46

Finding the Fourth Proportional to 82,482,200.52, 123,739,233.07 and 31,360,244.46

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Solution

The fourth proportional to 82,482,200.52, 123,739,233.07 and 31,360,244.46 is: 47,046,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,482,200.52 : 123,739,233.07 = 31,360,244.46 : x
  2. Step 2: Convert to fraction form
    82,482,200.52/123,739,233.07 = 31,360,244.46/x
  3. Step 3: Cross multiply
    82,482,200.52x = 123,739,233.07 × 31,360,244.46
  4. Step 4: Simplify right side
    82,482,200.52x = 3,880,492,597,749,419.50
  5. Step 5: Solve for x
    x = 3,880,492,597,749,419.50/82,482,200.52
  6. Step 6: Final answer
    x = 47,046,424.24

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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.