Home / 209,955,400.80-314,933,101.20-166,117,423.20

Finding the Fourth Proportional to 209,955,400.80, 314,933,101.20 and 166,117,423.20

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Solution

The fourth proportional to 209,955,400.80, 314,933,101.20 and 166,117,423.20 is: 249,176,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,955,400.80 : 314,933,101.20 = 166,117,423.20 : x
  2. Step 2: Convert to fraction form
    209,955,400.80/314,933,101.20 = 166,117,423.20/x
  3. Step 3: Cross multiply
    209,955,400.80x = 314,933,101.20 × 166,117,423.20
  4. Step 4: Simplify right side
    209,955,400.80x = 52,315,875,251,728,824
  5. Step 5: Solve for x
    x = 52,315,875,251,728,824/209,955,400.80
  6. Step 6: Final answer
    x = 249,176,134.80

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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.