Home / 127,650,850,511.40-191,476,275,767.10-125,909,424,642.60

Finding the Fourth Proportional to 127,650,850,511.40, 191,476,275,767.10 and 125,909,424,642.60

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Solution

The fourth proportional to 127,650,850,511.40, 191,476,275,767.10 and 125,909,424,642.60 is: 188,864,136,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650,850,511.40 : 191,476,275,767.10 = 125,909,424,642.60 : x
  2. Step 2: Convert to fraction form
    127,650,850,511.40/191,476,275,767.10 = 125,909,424,642.60/x
  3. Step 3: Cross multiply
    127,650,850,511.40x = 191,476,275,767.10 × 125,909,424,642.60
  4. Step 4: Simplify right side
    127,650,850,511.40x = 24,108,667,714,543,376,400,384
  5. Step 5: Solve for x
    x = 24,108,667,714,543,376,400,384/127,650,850,511.40
  6. Step 6: Final answer
    x = 188,864,136,963.90

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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.