Home / 87,131,340,680.14-130,735,026,643.40-30,511,841,320

Finding the Fourth Proportional to 87,131,340,680.14, 130,735,026,643.40 and 30,511,841,320

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Solution

The fourth proportional to 87,131,340,680.14, 130,735,026,643.40 and 30,511,841,320 is: 45,781,074,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,131,340,680.14 : 130,735,026,643.40 = 30,511,841,320 : x
  2. Step 2: Convert to fraction form
    87,131,340,680.14/130,735,026,643.40 = 30,511,841,320/x
  3. Step 3: Cross multiply
    87,131,340,680.14x = 130,735,026,643.40 × 30,511,841,320
  4. Step 4: Simplify right side
    87,131,340,680.14x = 3,988,966,387,909,392,859,136
  5. Step 5: Solve for x
    x = 3,988,966,387,909,392,859,136/87,131,340,680.14
  6. Step 6: Final answer
    x = 45,781,074,373.15

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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.