Home / 112,101,067.40-168,151,601.10-89,426,251.40

Finding the Fourth Proportional to 112,101,067.40, 168,151,601.10 and 89,426,251.40

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Solution

The fourth proportional to 112,101,067.40, 168,151,601.10 and 89,426,251.40 is: 134,139,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,067.40 : 168,151,601.10 = 89,426,251.40 : x
  2. Step 2: Convert to fraction form
    112,101,067.40/168,151,601.10 = 89,426,251.40/x
  3. Step 3: Cross multiply
    112,101,067.40x = 168,151,601.10 × 89,426,251.40
  4. Step 4: Simplify right side
    112,101,067.40x = 15,037,167,353,281,118
  5. Step 5: Solve for x
    x = 15,037,167,353,281,118/112,101,067.40
  6. Step 6: Final answer
    x = 134,139,377.10

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Double scale
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Similar ratio
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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.