Home / 99,143,654,647.70-148,744,659,566.73-31,989,639,911.27

Finding the Fourth Proportional to 99,143,654,647.70, 148,744,659,566.73 and 31,989,639,911.27

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Solution

The fourth proportional to 99,143,654,647.70, 148,744,659,566.73 and 31,989,639,911.27 is: 47,993,874,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,143,654,647.70 : 148,744,659,566.73 = 31,989,639,911.27 : x
  2. Step 2: Convert to fraction form
    99,143,654,647.70/148,744,659,566.73 = 31,989,639,911.27/x
  3. Step 3: Cross multiply
    99,143,654,647.70x = 148,744,659,566.73 × 31,989,639,911.27
  4. Step 4: Simplify right side
    99,143,654,647.70x = 4,758,288,098,264,730,304,512
  5. Step 5: Solve for x
    x = 4,758,288,098,264,730,304,512/99,143,654,647.70
  6. Step 6: Final answer
    x = 47,993,874,294.56

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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.