Home / 323,396,002.70-485,094,004.05-161,779,618.70

Finding the Fourth Proportional to 323,396,002.70, 485,094,004.05 and 161,779,618.70

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Solution

The fourth proportional to 323,396,002.70, 485,094,004.05 and 161,779,618.70 is: 242,669,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,396,002.70 : 485,094,004.05 = 161,779,618.70 : x
  2. Step 2: Convert to fraction form
    323,396,002.70/485,094,004.05 = 161,779,618.70/x
  3. Step 3: Cross multiply
    323,396,002.70x = 485,094,004.05 × 161,779,618.70
  4. Step 4: Simplify right side
    323,396,002.70x = 78,478,323,008,865,248
  5. Step 5: Solve for x
    x = 78,478,323,008,865,248/323,396,002.70
  6. Step 6: Final answer
    x = 242,669,428.05

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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.