Home / 82,158,628.52-113,382,449.52-45,489,199.52

Finding the Fourth Proportional to 82,158,628.52, 113,382,449.52 and 45,489,199.52

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Solution

The fourth proportional to 82,158,628.52, 113,382,449.52 and 45,489,199.52 is: 62,777,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,158,628.52 : 113,382,449.52 = 45,489,199.52 : x
  2. Step 2: Convert to fraction form
    82,158,628.52/113,382,449.52 = 45,489,199.52/x
  3. Step 3: Cross multiply
    82,158,628.52x = 113,382,449.52 × 45,489,199.52
  4. Step 4: Simplify right side
    82,158,628.52x = 5,157,676,868,281,608
  5. Step 5: Solve for x
    x = 5,157,676,868,281,608/82,158,628.52
  6. Step 6: Final answer
    x = 62,777,056.55

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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.