Home / 66,433,608.20-99,650,412.30-40,605,575.60

Finding the Fourth Proportional to 66,433,608.20, 99,650,412.30 and 40,605,575.60

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Solution

The fourth proportional to 66,433,608.20, 99,650,412.30 and 40,605,575.60 is: 60,908,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,608.20 : 99,650,412.30 = 40,605,575.60 : x
  2. Step 2: Convert to fraction form
    66,433,608.20/99,650,412.30 = 40,605,575.60/x
  3. Step 3: Cross multiply
    66,433,608.20x = 99,650,412.30 × 40,605,575.60
  4. Step 4: Simplify right side
    66,433,608.20x = 4,046,362,350,218,820
  5. Step 5: Solve for x
    x = 4,046,362,350,218,820/66,433,608.20
  6. Step 6: Final answer
    x = 60,908,363.40

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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.