Home / 144,324,915.84-199,197,318.32-85,620,165.84

Finding the Fourth Proportional to 144,324,915.84, 199,197,318.32 and 85,620,165.84

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Solution

The fourth proportional to 144,324,915.84, 199,197,318.32 and 85,620,165.84 is: 118,172,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,324,915.84 : 199,197,318.32 = 85,620,165.84 : x
  2. Step 2: Convert to fraction form
    144,324,915.84/199,197,318.32 = 85,620,165.84/x
  3. Step 3: Cross multiply
    144,324,915.84x = 199,197,318.32 × 85,620,165.84
  4. Step 4: Simplify right side
    144,324,915.84x = 17,055,307,429,441,670
  5. Step 5: Solve for x
    x = 17,055,307,429,441,670/144,324,915.84
  6. Step 6: Final answer
    x = 118,172,994.11

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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.