Home / 145,471,195.46-200,754,933.90-82,745,685.66

Finding the Fourth Proportional to 145,471,195.46, 200,754,933.90 and 82,745,685.66

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Solution

The fourth proportional to 145,471,195.46, 200,754,933.90 and 82,745,685.66 is: 114,191,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,471,195.46 : 200,754,933.90 = 82,745,685.66 : x
  2. Step 2: Convert to fraction form
    145,471,195.46/200,754,933.90 = 82,745,685.66/x
  3. Step 3: Cross multiply
    145,471,195.46x = 200,754,933.90 × 82,745,685.66
  4. Step 4: Simplify right side
    145,471,195.46x = 16,611,604,655,183,478
  5. Step 5: Solve for x
    x = 16,611,604,655,183,478/145,471,195.46
  6. Step 6: Final answer
    x = 114,191,710.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.