Home / 92,875,991.28-139,010,838.88-68,277,406.38

Finding the Fourth Proportional to 92,875,991.28, 139,010,838.88 and 68,277,406.38

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Solution

The fourth proportional to 92,875,991.28, 139,010,838.88 and 68,277,406.38 is: 102,193,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,875,991.28 : 139,010,838.88 = 68,277,406.38 : x
  2. Step 2: Convert to fraction form
    92,875,991.28/139,010,838.88 = 68,277,406.38/x
  3. Step 3: Cross multiply
    92,875,991.28x = 139,010,838.88 × 68,277,406.38
  4. Step 4: Simplify right side
    92,875,991.28x = 9,491,299,537,434,464
  5. Step 5: Solve for x
    x = 9,491,299,537,434,464/92,875,991.28
  6. Step 6: Final answer
    x = 102,193,251.52

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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.