Home / 99,143,654,724.27-148,744,659,681.45-31,989,639,987.84

Finding the Fourth Proportional to 99,143,654,724.27, 148,744,659,681.45 and 31,989,639,987.84

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Solution

The fourth proportional to 99,143,654,724.27, 148,744,659,681.45 and 31,989,639,987.84 is: 47,993,874,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,143,654,724.27 : 148,744,659,681.45 = 31,989,639,987.84 : x
  2. Step 2: Convert to fraction form
    99,143,654,724.27/148,744,659,681.45 = 31,989,639,987.84/x
  3. Step 3: Cross multiply
    99,143,654,724.27x = 148,744,659,681.45 × 31,989,639,987.84
  4. Step 4: Simplify right side
    99,143,654,724.27x = 4,758,288,113,323,365,892,096
  5. Step 5: Solve for x
    x = 4,758,288,113,323,365,892,096/99,143,654,724.27
  6. Step 6: Final answer
    x = 47,993,874,409.38

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Double scale
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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.