Home / 40,047,139.44-55,266,218.12-22,643,110.80

Finding the Fourth Proportional to 40,047,139.44, 55,266,218.12 and 22,643,110.80

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Solution

The fourth proportional to 40,047,139.44, 55,266,218.12 and 22,643,110.80 is: 31,248,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,047,139.44 : 55,266,218.12 = 22,643,110.80 : x
  2. Step 2: Convert to fraction form
    40,047,139.44/55,266,218.12 = 22,643,110.80/x
  3. Step 3: Cross multiply
    40,047,139.44x = 55,266,218.12 × 22,643,110.80
  4. Step 4: Simplify right side
    40,047,139.44x = 1,251,399,100,388,127.75
  5. Step 5: Solve for x
    x = 1,251,399,100,388,127.75/40,047,139.44
  6. Step 6: Final answer
    x = 31,248,152.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.