Home / 101,642,118.84-152,469,813.78-74,429,851.32

Finding the Fourth Proportional to 101,642,118.84, 152,469,813.78 and 74,429,851.32

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Solution

The fourth proportional to 101,642,118.84, 152,469,813.78 and 74,429,851.32 is: 111,649,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,642,118.84 : 152,469,813.78 = 74,429,851.32 : x
  2. Step 2: Convert to fraction form
    101,642,118.84/152,469,813.78 = 74,429,851.32/x
  3. Step 3: Cross multiply
    101,642,118.84x = 152,469,813.78 × 74,429,851.32
  4. Step 4: Simplify right side
    101,642,118.84x = 11,348,305,570,433,486
  5. Step 5: Solve for x
    x = 11,348,305,570,433,486/101,642,118.84
  6. Step 6: Final answer
    x = 111,649,636.00

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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.