Home / 256,608,051.60-384,912,077.40-113,280,819.60

Finding the Fourth Proportional to 256,608,051.60, 384,912,077.40 and 113,280,819.60

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Solution

The fourth proportional to 256,608,051.60, 384,912,077.40 and 113,280,819.60 is: 169,921,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608,051.60 : 384,912,077.40 = 113,280,819.60 : x
  2. Step 2: Convert to fraction form
    256,608,051.60/384,912,077.40 = 113,280,819.60/x
  3. Step 3: Cross multiply
    256,608,051.60x = 384,912,077.40 × 113,280,819.60
  4. Step 4: Simplify right side
    256,608,051.60x = 43,603,155,601,810,632
  5. Step 5: Solve for x
    x = 43,603,155,601,810,632/256,608,051.60
  6. Step 6: Final answer
    x = 169,921,229.40

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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.