Home / 87,131,340,679.14-130,735,026,641.90-30,511,841,319

Finding the Fourth Proportional to 87,131,340,679.14, 130,735,026,641.90 and 30,511,841,319

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Solution

The fourth proportional to 87,131,340,679.14, 130,735,026,641.90 and 30,511,841,319 is: 45,781,074,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,131,340,679.14 : 130,735,026,641.90 = 30,511,841,319 : x
  2. Step 2: Convert to fraction form
    87,131,340,679.14/130,735,026,641.90 = 30,511,841,319/x
  3. Step 3: Cross multiply
    87,131,340,679.14x = 130,735,026,641.90 × 30,511,841,319
  4. Step 4: Simplify right side
    87,131,340,679.14x = 3,988,966,387,732,890,255,360
  5. Step 5: Solve for x
    x = 3,988,966,387,732,890,255,360/87,131,340,679.14
  6. Step 6: Final answer
    x = 45,781,074,371.65

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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.