Home / 109,671,755.92-151,363,267.04-69,441,491.12

Finding the Fourth Proportional to 109,671,755.92, 151,363,267.04 and 69,441,491.12

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Solution

The fourth proportional to 109,671,755.92, 151,363,267.04 and 69,441,491.12 is: 95,839,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,671,755.92 : 151,363,267.04 = 69,441,491.12 : x
  2. Step 2: Convert to fraction form
    109,671,755.92/151,363,267.04 = 69,441,491.12/x
  3. Step 3: Cross multiply
    109,671,755.92x = 151,363,267.04 × 69,441,491.12
  4. Step 4: Simplify right side
    109,671,755.92x = 10,510,890,964,052,348
  5. Step 5: Solve for x
    x = 10,510,890,964,052,348/109,671,755.92
  6. Step 6: Final answer
    x = 95,839,542.97

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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.