Home / 168,305,250.40-252,457,875.60-103,735,168.90

Finding the Fourth Proportional to 168,305,250.40, 252,457,875.60 and 103,735,168.90

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Solution

The fourth proportional to 168,305,250.40, 252,457,875.60 and 103,735,168.90 is: 155,602,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,305,250.40 : 252,457,875.60 = 103,735,168.90 : x
  2. Step 2: Convert to fraction form
    168,305,250.40/252,457,875.60 = 103,735,168.90/x
  3. Step 3: Cross multiply
    168,305,250.40x = 252,457,875.60 × 103,735,168.90
  4. Step 4: Simplify right side
    168,305,250.40x = 26,188,760,365,501,188
  5. Step 5: Solve for x
    x = 26,188,760,365,501,188/168,305,250.40
  6. Step 6: Final answer
    x = 155,602,753.35

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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.