Home / 51,358,363.78-70,866,973.16-31,231,093.88

Finding the Fourth Proportional to 51,358,363.78, 70,866,973.16 and 31,231,093.88

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Solution

The fourth proportional to 51,358,363.78, 70,866,973.16 and 31,231,093.88 is: 43,094,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,358,363.78 : 70,866,973.16 = 31,231,093.88 : x
  2. Step 2: Convert to fraction form
    51,358,363.78/70,866,973.16 = 31,231,093.88/x
  3. Step 3: Cross multiply
    51,358,363.78x = 70,866,973.16 × 31,231,093.88
  4. Step 4: Simplify right side
    51,358,363.78x = 2,213,253,091,751,400
  5. Step 5: Solve for x
    x = 2,213,253,091,751,400/51,358,363.78
  6. Step 6: Final answer
    x = 43,094,306.92

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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.