Home / 243,577,987.35-365,366,981.03-191,921,922.15

Finding the Fourth Proportional to 243,577,987.35, 365,366,981.03 and 191,921,922.15

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Solution

The fourth proportional to 243,577,987.35, 365,366,981.03 and 191,921,922.15 is: 287,882,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,577,987.35 : 365,366,981.03 = 191,921,922.15 : x
  2. Step 2: Convert to fraction form
    243,577,987.35/365,366,981.03 = 191,921,922.15/x
  3. Step 3: Cross multiply
    243,577,987.35x = 365,366,981.03 × 191,921,922.15
  4. Step 4: Simplify right side
    243,577,987.35x = 70,121,933,289,420,184
  5. Step 5: Solve for x
    x = 70,121,933,289,420,184/243,577,987.35
  6. Step 6: Final answer
    x = 287,882,883.23

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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.