Home / 54,299,147.78-74,911,621.47-31,081,867.22

Finding the Fourth Proportional to 54,299,147.78, 74,911,621.47 and 31,081,867.22

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Solution

The fourth proportional to 54,299,147.78, 74,911,621.47 and 31,081,867.22 is: 42,880,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,299,147.78 : 74,911,621.47 = 31,081,867.22 : x
  2. Step 2: Convert to fraction form
    54,299,147.78/74,911,621.47 = 31,081,867.22/x
  3. Step 3: Cross multiply
    54,299,147.78x = 74,911,621.47 × 31,081,867.22
  4. Step 4: Simplify right side
    54,299,147.78x = 2,328,393,071,836,163.50
  5. Step 5: Solve for x
    x = 2,328,393,071,836,163.50/54,299,147.78
  6. Step 6: Final answer
    x = 42,880,840.07

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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.