Home / 72,512,157.12-108,767,751.84-29,380,724.16

Finding the Fourth Proportional to 72,512,157.12, 108,767,751.84 and 29,380,724.16

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Solution

The fourth proportional to 72,512,157.12, 108,767,751.84 and 29,380,724.16 is: 44,070,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512,157.12 : 108,767,751.84 = 29,380,724.16 : x
  2. Step 2: Convert to fraction form
    72,512,157.12/108,767,751.84 = 29,380,724.16/x
  3. Step 3: Cross multiply
    72,512,157.12x = 108,767,751.84 × 29,380,724.16
  4. Step 4: Simplify right side
    72,512,157.12x = 3,195,675,314,314,372.50
  5. Step 5: Solve for x
    x = 3,195,675,314,314,372.50/72,512,157.12
  6. Step 6: Final answer
    x = 44,070,890.20

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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.