Home / 323,947,379.70-485,963,693.55-119,618,982.90

Finding the Fourth Proportional to 323,947,379.70, 485,963,693.55 and 119,618,982.90

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Solution

The fourth proportional to 323,947,379.70, 485,963,693.55 and 119,618,982.90 is: 179,444,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,947,379.70 : 485,963,693.55 = 119,618,982.90 : x
  2. Step 2: Convert to fraction form
    323,947,379.70/485,963,693.55 = 119,618,982.90/x
  3. Step 3: Cross multiply
    323,947,379.70x = 485,963,693.55 × 119,618,982.90
  4. Step 4: Simplify right side
    323,947,379.70x = 58,130,482,748,778,296
  5. Step 5: Solve for x
    x = 58,130,482,748,778,296/323,947,379.70
  6. Step 6: Final answer
    x = 179,444,213.45

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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.