Home / 326,346,079.20-489,377,401.20-107,912,018.40

Finding the Fourth Proportional to 326,346,079.20, 489,377,401.20 and 107,912,018.40

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Solution

The fourth proportional to 326,346,079.20, 489,377,401.20 and 107,912,018.40 is: 161,821,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,346,079.20 : 489,377,401.20 = 107,912,018.40 : x
  2. Step 2: Convert to fraction form
    326,346,079.20/489,377,401.20 = 107,912,018.40/x
  3. Step 3: Cross multiply
    326,346,079.20x = 489,377,401.20 × 107,912,018.40
  4. Step 4: Simplify right side
    326,346,079.20x = 52,809,703,122,838,584
  5. Step 5: Solve for x
    x = 52,809,703,122,838,584/326,346,079.20
  6. Step 6: Final answer
    x = 161,821,166.21

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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.