Home / 328,049,217.70-492,079,658.55-98,021,140.90

Finding the Fourth Proportional to 328,049,217.70, 492,079,658.55 and 98,021,140.90

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Solution

The fourth proportional to 328,049,217.70, 492,079,658.55 and 98,021,140.90 is: 147,033,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,049,217.70 : 492,079,658.55 = 98,021,140.90 : x
  2. Step 2: Convert to fraction form
    328,049,217.70/492,079,658.55 = 98,021,140.90/x
  3. Step 3: Cross multiply
    328,049,217.70x = 492,079,658.55 × 98,021,140.90
  4. Step 4: Simplify right side
    328,049,217.70x = 48,234,209,544,753,440
  5. Step 5: Solve for x
    x = 48,234,209,544,753,440/328,049,217.70
  6. Step 6: Final answer
    x = 147,033,453.95

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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.