Home / 112,269,140.10-168,403,710.15-54,798,279.30

Finding the Fourth Proportional to 112,269,140.10, 168,403,710.15 and 54,798,279.30

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Solution

The fourth proportional to 112,269,140.10, 168,403,710.15 and 54,798,279.30 is: 82,197,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,140.10 : 168,403,710.15 = 54,798,279.30 : x
  2. Step 2: Convert to fraction form
    112,269,140.10/168,403,710.15 = 54,798,279.30/x
  3. Step 3: Cross multiply
    112,269,140.10x = 168,403,710.15 × 54,798,279.30
  4. Step 4: Simplify right side
    112,269,140.10x = 9,228,233,543,955,944
  5. Step 5: Solve for x
    x = 9,228,233,543,955,944/112,269,140.10
  6. Step 6: Final answer
    x = 82,197,418.95

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Double scale
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1.5x scale

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.