Home / 381,683,310.10-572,524,965.15-136,317,000.40

Finding the Fourth Proportional to 381,683,310.10, 572,524,965.15 and 136,317,000.40

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Solution

The fourth proportional to 381,683,310.10, 572,524,965.15 and 136,317,000.40 is: 204,475,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,683,310.10 : 572,524,965.15 = 136,317,000.40 : x
  2. Step 2: Convert to fraction form
    381,683,310.10/572,524,965.15 = 136,317,000.40/x
  3. Step 3: Cross multiply
    381,683,310.10x = 572,524,965.15 × 136,317,000.40
  4. Step 4: Simplify right side
    381,683,310.10x = 78,044,885,903,362,544
  5. Step 5: Solve for x
    x = 78,044,885,903,362,544/381,683,310.10
  6. Step 6: Final answer
    x = 204,475,500.60

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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.