Home / 354,288,087.40-531,432,131.10-162,811,863.40

Finding the Fourth Proportional to 354,288,087.40, 531,432,131.10 and 162,811,863.40

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Solution

The fourth proportional to 354,288,087.40, 531,432,131.10 and 162,811,863.40 is: 244,217,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,288,087.40 : 531,432,131.10 = 162,811,863.40 : x
  2. Step 2: Convert to fraction form
    354,288,087.40/531,432,131.10 = 162,811,863.40/x
  3. Step 3: Cross multiply
    354,288,087.40x = 531,432,131.10 × 162,811,863.40
  4. Step 4: Simplify right side
    354,288,087.40x = 86,523,455,535,024,096
  5. Step 5: Solve for x
    x = 86,523,455,535,024,096/354,288,087.40
  6. Step 6: Final answer
    x = 244,217,795.10

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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.