Home / 69,158,960.64-103,645,712.64-53,824,766.72

Finding the Fourth Proportional to 69,158,960.64, 103,645,712.64 and 53,824,766.72

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Solution

The fourth proportional to 69,158,960.64, 103,645,712.64 and 53,824,766.72 is: 80,664,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,158,960.64 : 103,645,712.64 = 53,824,766.72 : x
  2. Step 2: Convert to fraction form
    69,158,960.64/103,645,712.64 = 53,824,766.72/x
  3. Step 3: Cross multiply
    69,158,960.64x = 103,645,712.64 × 53,824,766.72
  4. Step 4: Simplify right side
    69,158,960.64x = 5,578,706,304,376,155
  5. Step 5: Solve for x
    x = 5,578,706,304,376,155/69,158,960.64
  6. Step 6: Final answer
    x = 80,664,981.84

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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.