Home / 279,879,585.32-419,823,110.54-98,132,070.44

Finding the Fourth Proportional to 279,879,585.32, 419,823,110.54 and 98,132,070.44

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Solution

The fourth proportional to 279,879,585.32, 419,823,110.54 and 98,132,070.44 is: 147,199,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,879,585.32 : 419,823,110.54 = 98,132,070.44 : x
  2. Step 2: Convert to fraction form
    279,879,585.32/419,823,110.54 = 98,132,070.44/x
  3. Step 3: Cross multiply
    279,879,585.32x = 419,823,110.54 × 98,132,070.44
  4. Step 4: Simplify right side
    279,879,585.32x = 41,198,111,055,851,184
  5. Step 5: Solve for x
    x = 41,198,111,055,851,184/279,879,585.32
  6. Step 6: Final answer
    x = 147,199,414.38

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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.