Home / 56,103,681.24-77,422,326.39-31,324,247.78

Finding the Fourth Proportional to 56,103,681.24, 77,422,326.39 and 31,324,247.78

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Solution

The fourth proportional to 56,103,681.24, 77,422,326.39 and 31,324,247.78 is: 43,227,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,103,681.24 : 77,422,326.39 = 31,324,247.78 : x
  2. Step 2: Convert to fraction form
    56,103,681.24/77,422,326.39 = 31,324,247.78/x
  3. Step 3: Cross multiply
    56,103,681.24x = 77,422,326.39 × 31,324,247.78
  4. Step 4: Simplify right side
    56,103,681.24x = 2,425,196,135,157,281
  5. Step 5: Solve for x
    x = 2,425,196,135,157,281/56,103,681.24
  6. Step 6: Final answer
    x = 43,227,041.11

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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.