Home / 79,268,716.32-118,903,256.28-21,761,774.88

Finding the Fourth Proportional to 79,268,716.32, 118,903,256.28 and 21,761,774.88

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Solution

The fourth proportional to 79,268,716.32, 118,903,256.28 and 21,761,774.88 is: 32,642,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,268,716.32 : 118,903,256.28 = 21,761,774.88 : x
  2. Step 2: Convert to fraction form
    79,268,716.32/118,903,256.28 = 21,761,774.88/x
  3. Step 3: Cross multiply
    79,268,716.32x = 118,903,256.28 × 21,761,774.88
  4. Step 4: Simplify right side
    79,268,716.32x = 2,587,545,895,664,306
  5. Step 5: Solve for x
    x = 2,587,545,895,664,306/79,268,716.32
  6. Step 6: Final answer
    x = 32,642,712.23

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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.