Home / 82,453,603.76-123,680,335.29-21,042,757.56

Finding the Fourth Proportional to 82,453,603.76, 123,680,335.29 and 21,042,757.56

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Solution

The fourth proportional to 82,453,603.76, 123,680,335.29 and 21,042,757.56 is: 31,564,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,453,603.76 : 123,680,335.29 = 21,042,757.56 : x
  2. Step 2: Convert to fraction form
    82,453,603.76/123,680,335.29 = 21,042,757.56/x
  3. Step 3: Cross multiply
    82,453,603.76x = 123,680,335.29 × 21,042,757.56
  4. Step 4: Simplify right side
    82,453,603.76x = 2,602,575,310,831,873
  5. Step 5: Solve for x
    x = 2,602,575,310,831,873/82,453,603.76
  6. Step 6: Final answer
    x = 31,564,118.39

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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.