Home / 323,458,430.67-485,015,019.95-167,855,564.94

Finding the Fourth Proportional to 323,458,430.67, 485,015,019.95 and 167,855,564.94

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Solution

The fourth proportional to 323,458,430.67, 485,015,019.95 and 167,855,564.94 is: 251,693,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,458,430.67 : 485,015,019.95 = 167,855,564.94 : x
  2. Step 2: Convert to fraction form
    323,458,430.67/485,015,019.95 = 167,855,564.94/x
  3. Step 3: Cross multiply
    323,458,430.67x = 485,015,019.95 × 167,855,564.94
  4. Step 4: Simplify right side
    323,458,430.67x = 81,412,470,177,253,344
  5. Step 5: Solve for x
    x = 81,412,470,177,253,344/323,458,430.67
  6. Step 6: Final answer
    x = 251,693,764.82

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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.