Home / 39,810,358,930.56-54,938,293,223.12-21,499,414,844.46

Finding the Fourth Proportional to 39,810,358,930.56, 54,938,293,223.12 and 21,499,414,844.46

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Solution

The fourth proportional to 39,810,358,930.56, 54,938,293,223.12 and 21,499,414,844.46 is: 29,669,191,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810,358,930.56 : 54,938,293,223.12 = 21,499,414,844.46 : x
  2. Step 2: Convert to fraction form
    39,810,358,930.56/54,938,293,223.12 = 21,499,414,844.46/x
  3. Step 3: Cross multiply
    39,810,358,930.56x = 54,938,293,223.12 × 21,499,414,844.46
  4. Step 4: Simplify right side
    39,810,358,930.56x = 1,181,141,156,850,442,436,608
  5. Step 5: Solve for x
    x = 1,181,141,156,850,442,436,608/39,810,358,930.56
  6. Step 6: Final answer
    x = 29,669,191,350.69

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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.