Home / 323,626,751.70-485,440,127.55-108,215,999.70

Finding the Fourth Proportional to 323,626,751.70, 485,440,127.55 and 108,215,999.70

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Solution

The fourth proportional to 323,626,751.70, 485,440,127.55 and 108,215,999.70 is: 162,323,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,626,751.70 : 485,440,127.55 = 108,215,999.70 : x
  2. Step 2: Convert to fraction form
    323,626,751.70/485,440,127.55 = 108,215,999.70/x
  3. Step 3: Cross multiply
    323,626,751.70x = 485,440,127.55 × 108,215,999.70
  4. Step 4: Simplify right side
    323,626,751.70x = 52,532,388,697,318,768
  5. Step 5: Solve for x
    x = 52,532,388,697,318,768/323,626,751.70
  6. Step 6: Final answer
    x = 162,323,999.55

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1.5x scale

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.