Home / 272,801,612.20-409,202,418.30-163,962,495.40

Finding the Fourth Proportional to 272,801,612.20, 409,202,418.30 and 163,962,495.40

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Solution

The fourth proportional to 272,801,612.20, 409,202,418.30 and 163,962,495.40 is: 245,943,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,801,612.20 : 409,202,418.30 = 163,962,495.40 : x
  2. Step 2: Convert to fraction form
    272,801,612.20/409,202,418.30 = 163,962,495.40/x
  3. Step 3: Cross multiply
    272,801,612.20x = 409,202,418.30 × 163,962,495.40
  4. Step 4: Simplify right side
    272,801,612.20x = 67,093,849,628,182,632
  5. Step 5: Solve for x
    x = 67,093,849,628,182,632/272,801,612.20
  6. Step 6: Final answer
    x = 245,943,743.10

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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.