Home / 70,121,382.26-105,177,084.86-21,594,175.95

Finding the Fourth Proportional to 70,121,382.26, 105,177,084.86 and 21,594,175.95

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Solution

The fourth proportional to 70,121,382.26, 105,177,084.86 and 21,594,175.95 is: 32,389,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,121,382.26 : 105,177,084.86 = 21,594,175.95 : x
  2. Step 2: Convert to fraction form
    70,121,382.26/105,177,084.86 = 21,594,175.95/x
  3. Step 3: Cross multiply
    70,121,382.26x = 105,177,084.86 × 21,594,175.95
  4. Step 4: Simplify right side
    70,121,382.26x = 2,271,212,476,231,699.50
  5. Step 5: Solve for x
    x = 2,271,212,476,231,699.50/70,121,382.26
  6. Step 6: Final answer
    x = 32,389,727.68

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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.