Home / 272,573,207.20-408,859,810.80-163,734,090.40

Finding the Fourth Proportional to 272,573,207.20, 408,859,810.80 and 163,734,090.40

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Solution

The fourth proportional to 272,573,207.20, 408,859,810.80 and 163,734,090.40 is: 245,601,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,573,207.20 : 408,859,810.80 = 163,734,090.40 : x
  2. Step 2: Convert to fraction form
    272,573,207.20/408,859,810.80 = 163,734,090.40/x
  3. Step 3: Cross multiply
    272,573,207.20x = 408,859,810.80 × 163,734,090.40
  4. Step 4: Simplify right side
    272,573,207.20x = 66,944,289,222,454,104
  5. Step 5: Solve for x
    x = 66,944,289,222,454,104/272,573,207.20
  6. Step 6: Final answer
    x = 245,601,135.60

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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.