Home / 55,887,719.06-77,125,055.85-31,107,372.45

Finding the Fourth Proportional to 55,887,719.06, 77,125,055.85 and 31,107,372.45

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Solution

The fourth proportional to 55,887,719.06, 77,125,055.85 and 31,107,372.45 is: 42,928,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,887,719.06 : 77,125,055.85 = 31,107,372.45 : x
  2. Step 2: Convert to fraction form
    55,887,719.06/77,125,055.85 = 31,107,372.45/x
  3. Step 3: Cross multiply
    55,887,719.06x = 77,125,055.85 × 31,107,372.45
  4. Step 4: Simplify right side
    55,887,719.06x = 2,399,157,837,553,001
  5. Step 5: Solve for x
    x = 2,399,157,837,553,001/55,887,719.06
  6. Step 6: Final answer
    x = 42,928,175.96

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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.