Home / 54,219,753-74,823,347.76-29,439,987.78

Finding the Fourth Proportional to 54,219,753, 74,823,347.76 and 29,439,987.78

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Solution

The fourth proportional to 54,219,753, 74,823,347.76 and 29,439,987.78 is: 40,627,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219,753 : 74,823,347.76 = 29,439,987.78 : x
  2. Step 2: Convert to fraction form
    54,219,753/74,823,347.76 = 29,439,987.78/x
  3. Step 3: Cross multiply
    54,219,753x = 74,823,347.76 × 29,439,987.78
  4. Step 4: Simplify right side
    54,219,753x = 2,202,798,443,713,090.50
  5. Step 5: Solve for x
    x = 2,202,798,443,713,090.50/54,219,753
  6. Step 6: Final answer
    x = 40,627,231.25

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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.