Home / 90,816,010.40-136,224,015.60-43,040,266.40

Finding the Fourth Proportional to 90,816,010.40, 136,224,015.60 and 43,040,266.40

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Solution

The fourth proportional to 90,816,010.40, 136,224,015.60 and 43,040,266.40 is: 64,560,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,816,010.40 : 136,224,015.60 = 43,040,266.40 : x
  2. Step 2: Convert to fraction form
    90,816,010.40/136,224,015.60 = 43,040,266.40/x
  3. Step 3: Cross multiply
    90,816,010.40x = 136,224,015.60 × 43,040,266.40
  4. Step 4: Simplify right side
    90,816,010.40x = 5,863,117,921,501,755
  5. Step 5: Solve for x
    x = 5,863,117,921,501,755/90,816,010.40
  6. Step 6: Final answer
    x = 64,560,399.60

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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.