Home / 140,092,147.80-210,138,221.70-132,155,962.20

Finding the Fourth Proportional to 140,092,147.80, 210,138,221.70 and 132,155,962.20

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Solution

The fourth proportional to 140,092,147.80, 210,138,221.70 and 132,155,962.20 is: 198,233,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,092,147.80 : 210,138,221.70 = 132,155,962.20 : x
  2. Step 2: Convert to fraction form
    140,092,147.80/210,138,221.70 = 132,155,962.20/x
  3. Step 3: Cross multiply
    140,092,147.80x = 210,138,221.70 × 132,155,962.20
  4. Step 4: Simplify right side
    140,092,147.80x = 27,771,018,883,760,420
  5. Step 5: Solve for x
    x = 27,771,018,883,760,420/140,092,147.80
  6. Step 6: Final answer
    x = 198,233,943.30

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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.