Home / 209,954,839.80-314,932,259.70-166,116,862.20

Finding the Fourth Proportional to 209,954,839.80, 314,932,259.70 and 166,116,862.20

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Solution

The fourth proportional to 209,954,839.80, 314,932,259.70 and 166,116,862.20 is: 249,175,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,954,839.80 : 314,932,259.70 = 166,116,862.20 : x
  2. Step 2: Convert to fraction form
    209,954,839.80/314,932,259.70 = 166,116,862.20/x
  3. Step 3: Cross multiply
    209,954,839.80x = 314,932,259.70 × 166,116,862.20
  4. Step 4: Simplify right side
    209,954,839.80x = 52,315,558,786,919,504
  5. Step 5: Solve for x
    x = 52,315,558,786,919,504/209,954,839.80
  6. Step 6: Final answer
    x = 249,175,293.30

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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.