Home / 112,247,454.40-168,371,181.60-73,952,209.60

Finding the Fourth Proportional to 112,247,454.40, 168,371,181.60 and 73,952,209.60

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Solution

The fourth proportional to 112,247,454.40, 168,371,181.60 and 73,952,209.60 is: 110,928,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,247,454.40 : 168,371,181.60 = 73,952,209.60 : x
  2. Step 2: Convert to fraction form
    112,247,454.40/168,371,181.60 = 73,952,209.60/x
  3. Step 3: Cross multiply
    112,247,454.40x = 168,371,181.60 × 73,952,209.60
  4. Step 4: Simplify right side
    112,247,454.40x = 12,451,420,912,282,862
  5. Step 5: Solve for x
    x = 12,451,420,912,282,862/112,247,454.40
  6. Step 6: Final answer
    x = 110,928,314.40

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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.