Home / 135,411,502,105.44-186,867,993,115.23-74,444,906,589.86

Finding the Fourth Proportional to 135,411,502,105.44, 186,867,993,115.23 and 74,444,906,589.86

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Solution

The fourth proportional to 135,411,502,105.44, 186,867,993,115.23 and 74,444,906,589.86 is: 102,734,037,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,411,502,105.44 : 186,867,993,115.23 = 74,444,906,589.86 : x
  2. Step 2: Convert to fraction form
    135,411,502,105.44/186,867,993,115.23 = 74,444,906,589.86/x
  3. Step 3: Cross multiply
    135,411,502,105.44x = 186,867,993,115.23 × 74,444,906,589.86
  4. Step 4: Simplify right side
    135,411,502,105.44x = 13,911,370,292,097,900,871,680
  5. Step 5: Solve for x
    x = 13,911,370,292,097,900,871,680/135,411,502,105.44
  6. Step 6: Final answer
    x = 102,734,037,181.46

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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.