Home / 112,328,581.76-168,555,046.08-54,821,329.28

Finding the Fourth Proportional to 112,328,581.76, 168,555,046.08 and 54,821,329.28

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Solution

The fourth proportional to 112,328,581.76, 168,555,046.08 and 54,821,329.28 is: 82,262,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328,581.76 : 168,555,046.08 = 54,821,329.28 : x
  2. Step 2: Convert to fraction form
    112,328,581.76/168,555,046.08 = 54,821,329.28/x
  3. Step 3: Cross multiply
    112,328,581.76x = 168,555,046.08 × 54,821,329.28
  4. Step 4: Simplify right side
    112,328,581.76x = 9,240,411,682,957,254
  5. Step 5: Solve for x
    x = 9,240,411,682,957,254/112,328,581.76
  6. Step 6: Final answer
    x = 82,262,337.32

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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.