Home / 272,160,887.60-408,241,331.40-90,408,065.60

Finding the Fourth Proportional to 272,160,887.60, 408,241,331.40 and 90,408,065.60

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Solution

The fourth proportional to 272,160,887.60, 408,241,331.40 and 90,408,065.60 is: 135,612,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,160,887.60 : 408,241,331.40 = 90,408,065.60 : x
  2. Step 2: Convert to fraction form
    272,160,887.60/408,241,331.40 = 90,408,065.60/x
  3. Step 3: Cross multiply
    272,160,887.60x = 408,241,331.40 × 90,408,065.60
  4. Step 4: Simplify right side
    272,160,887.60x = 36,908,309,069,842,536
  5. Step 5: Solve for x
    x = 36,908,309,069,842,536/272,160,887.60
  6. Step 6: Final answer
    x = 135,612,098.40

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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.