Home / 209,954,828.80-314,932,243.20-166,116,851.20

Finding the Fourth Proportional to 209,954,828.80, 314,932,243.20 and 166,116,851.20

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Solution

The fourth proportional to 209,954,828.80, 314,932,243.20 and 166,116,851.20 is: 249,175,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,954,828.80 : 314,932,243.20 = 166,116,851.20 : x
  2. Step 2: Convert to fraction form
    209,954,828.80/314,932,243.20 = 166,116,851.20/x
  3. Step 3: Cross multiply
    209,954,828.80x = 314,932,243.20 × 166,116,851.20
  4. Step 4: Simplify right side
    209,954,828.80x = 52,315,552,581,736,608
  5. Step 5: Solve for x
    x = 52,315,552,581,736,608/209,954,828.80
  6. Step 6: Final answer
    x = 249,175,276.80

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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.