Home / 112,128,844.60-168,193,266.90-30,247,564.60

Finding the Fourth Proportional to 112,128,844.60, 168,193,266.90 and 30,247,564.60

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Solution

The fourth proportional to 112,128,844.60, 168,193,266.90 and 30,247,564.60 is: 45,371,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,128,844.60 : 168,193,266.90 = 30,247,564.60 : x
  2. Step 2: Convert to fraction form
    112,128,844.60/168,193,266.90 = 30,247,564.60/x
  3. Step 3: Cross multiply
    112,128,844.60x = 168,193,266.90 × 30,247,564.60
  4. Step 4: Simplify right side
    112,128,844.60x = 5,087,436,705,842,792
  5. Step 5: Solve for x
    x = 5,087,436,705,842,792/112,128,844.60
  6. Step 6: Final answer
    x = 45,371,346.90

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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.