Home / 138,055,103,999.40-207,082,655,999.10-132,637,334,629.80

Finding the Fourth Proportional to 138,055,103,999.40, 207,082,655,999.10 and 132,637,334,629.80

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Solution

The fourth proportional to 138,055,103,999.40, 207,082,655,999.10 and 132,637,334,629.80 is: 198,956,001,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,055,103,999.40 : 207,082,655,999.10 = 132,637,334,629.80 : x
  2. Step 2: Convert to fraction form
    138,055,103,999.40/207,082,655,999.10 = 132,637,334,629.80/x
  3. Step 3: Cross multiply
    138,055,103,999.40x = 207,082,655,999.10 × 132,637,334,629.80
  4. Step 4: Simplify right side
    138,055,103,999.40x = 27,466,891,539,780,386,947,072
  5. Step 5: Solve for x
    x = 27,466,891,539,780,386,947,072/138,055,103,999.40
  6. Step 6: Final answer
    x = 198,956,001,944.70

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1.5x scale

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.