Home / 144,745,492.17-199,750,322.22-78,665,993.85

Finding the Fourth Proportional to 144,745,492.17, 199,750,322.22 and 78,665,993.85

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Solution

The fourth proportional to 144,745,492.17, 199,750,322.22 and 78,665,993.85 is: 108,559,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,745,492.17 : 199,750,322.22 = 78,665,993.85 : x
  2. Step 2: Convert to fraction form
    144,745,492.17/199,750,322.22 = 78,665,993.85/x
  3. Step 3: Cross multiply
    144,745,492.17x = 199,750,322.22 × 78,665,993.85
  4. Step 4: Simplify right side
    144,745,492.17x = 15,713,557,619,294,038
  5. Step 5: Solve for x
    x = 15,713,557,619,294,038/144,745,492.17
  6. Step 6: Final answer
    x = 108,559,910.11

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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.