Home / 99,143,654,664.18-148,744,659,591.48-31,989,639,927.76

Finding the Fourth Proportional to 99,143,654,664.18, 148,744,659,591.48 and 31,989,639,927.76

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Solution

The fourth proportional to 99,143,654,664.18, 148,744,659,591.48 and 31,989,639,927.76 is: 47,993,874,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,143,654,664.18 : 148,744,659,591.48 = 31,989,639,927.76 : x
  2. Step 2: Convert to fraction form
    99,143,654,664.18/148,744,659,591.48 = 31,989,639,927.76/x
  3. Step 3: Cross multiply
    99,143,654,664.18x = 148,744,659,591.48 × 31,989,639,927.76
  4. Step 4: Simplify right side
    99,143,654,664.18x = 4,758,288,101,508,678,418,432
  5. Step 5: Solve for x
    x = 4,758,288,101,508,678,418,432/99,143,654,664.18
  6. Step 6: Final answer
    x = 47,993,874,319.30

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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.