Home / 165,736,820.40-248,605,230.60-140,227,652.40

Finding the Fourth Proportional to 165,736,820.40, 248,605,230.60 and 140,227,652.40

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Solution

The fourth proportional to 165,736,820.40, 248,605,230.60 and 140,227,652.40 is: 210,341,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,736,820.40 : 248,605,230.60 = 140,227,652.40 : x
  2. Step 2: Convert to fraction form
    165,736,820.40/248,605,230.60 = 140,227,652.40/x
  3. Step 3: Cross multiply
    165,736,820.40x = 248,605,230.60 × 140,227,652.40
  4. Step 4: Simplify right side
    165,736,820.40x = 34,861,327,861,398,644
  5. Step 5: Solve for x
    x = 34,861,327,861,398,644/165,736,820.40
  6. Step 6: Final answer
    x = 210,341,478.60

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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.