Home / 30,191,789.80-45,199,111.02-27,075,183.64

Finding the Fourth Proportional to 30,191,789.80, 45,199,111.02 and 27,075,183.64

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Solution

The fourth proportional to 30,191,789.80, 45,199,111.02 and 27,075,183.64 is: 40,533,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191,789.80 : 45,199,111.02 = 27,075,183.64 : x
  2. Step 2: Convert to fraction form
    30,191,789.80/45,199,111.02 = 27,075,183.64/x
  3. Step 3: Cross multiply
    30,191,789.80x = 45,199,111.02 × 27,075,183.64
  4. Step 4: Simplify right side
    30,191,789.80x = 1,223,774,231,231,247.75
  5. Step 5: Solve for x
    x = 1,223,774,231,231,247.75/30,191,789.80
  6. Step 6: Final answer
    x = 40,533,344.97

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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.