Home / 84,814,718.15-117,049,310.64-63,869,797.96

Finding the Fourth Proportional to 84,814,718.15, 117,049,310.64 and 63,869,797.96

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Solution

The fourth proportional to 84,814,718.15, 117,049,310.64 and 63,869,797.96 is: 88,144,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,814,718.15 : 117,049,310.64 = 63,869,797.96 : x
  2. Step 2: Convert to fraction form
    84,814,718.15/117,049,310.64 = 63,869,797.96/x
  3. Step 3: Cross multiply
    84,814,718.15x = 117,049,310.64 × 63,869,797.96
  4. Step 4: Simplify right side
    84,814,718.15x = 7,475,915,821,641,455
  5. Step 5: Solve for x
    x = 7,475,915,821,641,455/84,814,718.15
  6. Step 6: Final answer
    x = 88,144,086.13

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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.