Home / 312,114,242.64-468,325,192.44-146,128,966.56

Finding the Fourth Proportional to 312,114,242.64, 468,325,192.44 and 146,128,966.56

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Solution

The fourth proportional to 312,114,242.64, 468,325,192.44 and 146,128,966.56 is: 219,265,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,114,242.64 : 468,325,192.44 = 146,128,966.56 : x
  2. Step 2: Convert to fraction form
    312,114,242.64/468,325,192.44 = 146,128,966.56/x
  3. Step 3: Cross multiply
    312,114,242.64x = 468,325,192.44 × 146,128,966.56
  4. Step 4: Simplify right side
    312,114,242.64x = 68,435,876,385,270,328
  5. Step 5: Solve for x
    x = 68,435,876,385,270,328/312,114,242.64
  6. Step 6: Final answer
    x = 219,265,470.89

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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.