Home / 376,236,989.96-564,428,162.61-143,049,570.53

Finding the Fourth Proportional to 376,236,989.96, 564,428,162.61 and 143,049,570.53

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Solution

The fourth proportional to 376,236,989.96, 564,428,162.61 and 143,049,570.53 is: 214,601,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,236,989.96 : 564,428,162.61 = 143,049,570.53 : x
  2. Step 2: Convert to fraction form
    376,236,989.96/564,428,162.61 = 143,049,570.53/x
  3. Step 3: Cross multiply
    376,236,989.96x = 564,428,162.61 × 143,049,570.53
  4. Step 4: Simplify right side
    376,236,989.96x = 80,741,206,253,575,376
  5. Step 5: Solve for x
    x = 80,741,206,253,575,376/376,236,989.96
  6. Step 6: Final answer
    x = 214,601,988.66

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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.