Home / 272,173,347.20-408,260,020.80-163,334,230.40

Finding the Fourth Proportional to 272,173,347.20, 408,260,020.80 and 163,334,230.40

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Solution

The fourth proportional to 272,173,347.20, 408,260,020.80 and 163,334,230.40 is: 245,001,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,173,347.20 : 408,260,020.80 = 163,334,230.40 : x
  2. Step 2: Convert to fraction form
    272,173,347.20/408,260,020.80 = 163,334,230.40/x
  3. Step 3: Cross multiply
    272,173,347.20x = 408,260,020.80 × 163,334,230.40
  4. Step 4: Simplify right side
    272,173,347.20x = 66,682,836,300,456,000
  5. Step 5: Solve for x
    x = 66,682,836,300,456,000/272,173,347.20
  6. Step 6: Final answer
    x = 245,001,345.60

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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.