Home / 199,990,951.11-299,775,400.32-107,849,612.13

Finding the Fourth Proportional to 199,990,951.11, 299,775,400.32 and 107,849,612.13

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Solution

The fourth proportional to 199,990,951.11, 299,775,400.32 and 107,849,612.13 is: 161,660,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,990,951.11 : 299,775,400.32 = 107,849,612.13 : x
  2. Step 2: Convert to fraction form
    199,990,951.11/299,775,400.32 = 107,849,612.13/x
  3. Step 3: Cross multiply
    199,990,951.11x = 299,775,400.32 × 107,849,612.13
  4. Step 4: Simplify right side
    199,990,951.11x = 32,330,660,650,627,476
  5. Step 5: Solve for x
    x = 32,330,660,650,627,476/199,990,951.11
  6. Step 6: Final answer
    x = 161,660,617.50

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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.