Home / 144,287,184.75-199,137,588.39-91,368,722.40

Finding the Fourth Proportional to 144,287,184.75, 199,137,588.39 and 91,368,722.40

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Solution

The fourth proportional to 144,287,184.75, 199,137,588.39 and 91,368,722.40 is: 126,102,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,287,184.75 : 199,137,588.39 = 91,368,722.40 : x
  2. Step 2: Convert to fraction form
    144,287,184.75/199,137,588.39 = 91,368,722.40/x
  3. Step 3: Cross multiply
    144,287,184.75x = 199,137,588.39 × 91,368,722.40
  4. Step 4: Simplify right side
    144,287,184.75x = 18,194,947,033,011,372
  5. Step 5: Solve for x
    x = 18,194,947,033,011,372/144,287,184.75
  6. Step 6: Final answer
    x = 126,102,308.15

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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.