Home / 91,453,807.53-126,206,433.59-54,291,540.69

Finding the Fourth Proportional to 91,453,807.53, 126,206,433.59 and 54,291,540.69

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Solution

The fourth proportional to 91,453,807.53, 126,206,433.59 and 54,291,540.69 is: 74,922,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453,807.53 : 126,206,433.59 = 54,291,540.69 : x
  2. Step 2: Convert to fraction form
    91,453,807.53/126,206,433.59 = 54,291,540.69/x
  3. Step 3: Cross multiply
    91,453,807.53x = 126,206,433.59 × 54,291,540.69
  4. Step 4: Simplify right side
    91,453,807.53x = 6,851,941,724,207,888
  5. Step 5: Solve for x
    x = 6,851,941,724,207,888/91,453,807.53
  6. Step 6: Final answer
    x = 74,922,432.53

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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.