Home / 102,699,396.62-141,680,632.54-67,940,498.02

Finding the Fourth Proportional to 102,699,396.62, 141,680,632.54 and 67,940,498.02

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Solution

The fourth proportional to 102,699,396.62, 141,680,632.54 and 67,940,498.02 is: 93,728,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,699,396.62 : 141,680,632.54 = 67,940,498.02 : x
  2. Step 2: Convert to fraction form
    102,699,396.62/141,680,632.54 = 67,940,498.02/x
  3. Step 3: Cross multiply
    102,699,396.62x = 141,680,632.54 × 67,940,498.02
  4. Step 4: Simplify right side
    102,699,396.62x = 9,625,852,734,556,216
  5. Step 5: Solve for x
    x = 9,625,852,734,556,216/102,699,396.62
  6. Step 6: Final answer
    x = 93,728,425.40

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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.