Home / 209,949,619.20-314,924,428.80-167,482,291.20

Finding the Fourth Proportional to 209,949,619.20, 314,924,428.80 and 167,482,291.20

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Solution

The fourth proportional to 209,949,619.20, 314,924,428.80 and 167,482,291.20 is: 251,223,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,949,619.20 : 314,924,428.80 = 167,482,291.20 : x
  2. Step 2: Convert to fraction form
    209,949,619.20/314,924,428.80 = 167,482,291.20/x
  3. Step 3: Cross multiply
    209,949,619.20x = 314,924,428.80 × 167,482,291.20
  4. Step 4: Simplify right side
    209,949,619.20x = 52,744,264,890,275,264
  5. Step 5: Solve for x
    x = 52,744,264,890,275,264/209,949,619.20
  6. Step 6: Final answer
    x = 251,223,436.80

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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.