Home / 69,988,958,615.67-96,574,372,930.11-42,508,244,686.65

Finding the Fourth Proportional to 69,988,958,615.67, 96,574,372,930.11 and 42,508,244,686.65

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Solution

The fourth proportional to 69,988,958,615.67, 96,574,372,930.11 and 42,508,244,686.65 is: 58,655,067,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,988,958,615.67 : 96,574,372,930.11 = 42,508,244,686.65 : x
  2. Step 2: Convert to fraction form
    69,988,958,615.67/96,574,372,930.11 = 42,508,244,686.65/x
  3. Step 3: Cross multiply
    69,988,958,615.67x = 96,574,372,930.11 × 42,508,244,686.65
  4. Step 4: Simplify right side
    69,988,958,615.67x = 4,105,207,074,972,904,194,048
  5. Step 5: Solve for x
    x = 4,105,207,074,972,904,194,048/69,988,958,615.67
  6. Step 6: Final answer
    x = 58,655,067,258.76

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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.