Home / 199,389,718.80-299,084,578.20-108,690,454.80

Finding the Fourth Proportional to 199,389,718.80, 299,084,578.20 and 108,690,454.80

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Solution

The fourth proportional to 199,389,718.80, 299,084,578.20 and 108,690,454.80 is: 163,035,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,389,718.80 : 299,084,578.20 = 108,690,454.80 : x
  2. Step 2: Convert to fraction form
    199,389,718.80/299,084,578.20 = 108,690,454.80/x
  3. Step 3: Cross multiply
    199,389,718.80x = 299,084,578.20 × 108,690,454.80
  4. Step 4: Simplify right side
    199,389,718.80x = 32,507,638,828,224,164
  5. Step 5: Solve for x
    x = 32,507,638,828,224,164/199,389,718.80
  6. Step 6: Final answer
    x = 163,035,682.20

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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.