Home / 74,135,999.60-111,203,999.40-61,286,937.20

Finding the Fourth Proportional to 74,135,999.60, 111,203,999.40 and 61,286,937.20

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Solution

The fourth proportional to 74,135,999.60, 111,203,999.40 and 61,286,937.20 is: 91,930,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,135,999.60 : 111,203,999.40 = 61,286,937.20 : x
  2. Step 2: Convert to fraction form
    74,135,999.60/111,203,999.40 = 61,286,937.20/x
  3. Step 3: Cross multiply
    74,135,999.60x = 111,203,999.40 × 61,286,937.20
  4. Step 4: Simplify right side
    74,135,999.60x = 6,815,352,527,616,638
  5. Step 5: Solve for x
    x = 6,815,352,527,616,638/74,135,999.60
  6. Step 6: Final answer
    x = 91,930,405.80

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1.5x scale

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.