Home / 94,509,739.20-141,596,647.20-81,072,811.20

Finding the Fourth Proportional to 94,509,739.20, 141,596,647.20 and 81,072,811.20

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Solution

The fourth proportional to 94,509,739.20, 141,596,647.20 and 81,072,811.20 is: 121,465,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,509,739.20 : 141,596,647.20 = 81,072,811.20 : x
  2. Step 2: Convert to fraction form
    94,509,739.20/141,596,647.20 = 81,072,811.20/x
  3. Step 3: Cross multiply
    94,509,739.20x = 141,596,647.20 × 81,072,811.20
  4. Step 4: Simplify right side
    94,509,739.20x = 11,479,638,244,998,608
  5. Step 5: Solve for x
    x = 11,479,638,244,998,608/94,509,739.20
  6. Step 6: Final answer
    x = 121,465,135.15

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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.