Home / 74,945,661.20-112,250,530.20-61,508,733.20

Finding the Fourth Proportional to 74,945,661.20, 112,250,530.20 and 61,508,733.20

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Solution

The fourth proportional to 74,945,661.20, 112,250,530.20 and 61,508,733.20 is: 92,125,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,945,661.20 : 112,250,530.20 = 61,508,733.20 : x
  2. Step 2: Convert to fraction form
    74,945,661.20/112,250,530.20 = 61,508,733.20/x
  3. Step 3: Cross multiply
    74,945,661.20x = 112,250,530.20 × 61,508,733.20
  4. Step 4: Simplify right side
    74,945,661.20x = 6,904,387,913,630,343
  5. Step 5: Solve for x
    x = 6,904,387,913,630,343/74,945,661.20
  6. Step 6: Final answer
    x = 92,125,251.86

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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.