Home / 272,016,043.20-408,024,064.80-163,176,926.40

Finding the Fourth Proportional to 272,016,043.20, 408,024,064.80 and 163,176,926.40

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Solution

The fourth proportional to 272,016,043.20, 408,024,064.80 and 163,176,926.40 is: 244,765,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,016,043.20 : 408,024,064.80 = 163,176,926.40 : x
  2. Step 2: Convert to fraction form
    272,016,043.20/408,024,064.80 = 163,176,926.40/x
  3. Step 3: Cross multiply
    272,016,043.20x = 408,024,064.80 × 163,176,926.40
  4. Step 4: Simplify right side
    272,016,043.20x = 66,580,112,791,298,432
  5. Step 5: Solve for x
    x = 66,580,112,791,298,432/272,016,043.20
  6. Step 6: Final answer
    x = 244,765,389.60

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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.