Home / 312,208,593.72-468,341,787.69-102,120,472.45

Finding the Fourth Proportional to 312,208,593.72, 468,341,787.69 and 102,120,472.45

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Solution

The fourth proportional to 312,208,593.72, 468,341,787.69 and 102,120,472.45 is: 153,190,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,208,593.72 : 468,341,787.69 = 102,120,472.45 : x
  2. Step 2: Convert to fraction form
    312,208,593.72/468,341,787.69 = 102,120,472.45/x
  3. Step 3: Cross multiply
    312,208,593.72x = 468,341,787.69 × 102,120,472.45
  4. Step 4: Simplify right side
    312,208,593.72x = 47,827,284,626,980,392
  5. Step 5: Solve for x
    x = 47,827,284,626,980,392/312,208,593.72
  6. Step 6: Final answer
    x = 153,190,160.65

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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.