Home / 91,458,823.21-137,215,184.13-36,843,304.15

Finding the Fourth Proportional to 91,458,823.21, 137,215,184.13 and 36,843,304.15

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Solution

The fourth proportional to 91,458,823.21, 137,215,184.13 and 36,843,304.15 is: 55,275,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,458,823.21 : 137,215,184.13 = 36,843,304.15 : x
  2. Step 2: Convert to fraction form
    91,458,823.21/137,215,184.13 = 36,843,304.15/x
  3. Step 3: Cross multiply
    91,458,823.21x = 137,215,184.13 × 36,843,304.15
  4. Step 4: Simplify right side
    91,458,823.21x = 5,055,460,762,161,365
  5. Step 5: Solve for x
    x = 5,055,460,762,161,365/91,458,823.21
  6. Step 6: Final answer
    x = 55,275,812.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.