Home / 112,471,870.40-168,707,805.60-89,797,054.40

Finding the Fourth Proportional to 112,471,870.40, 168,707,805.60 and 89,797,054.40

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Solution

The fourth proportional to 112,471,870.40, 168,707,805.60 and 89,797,054.40 is: 134,695,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,471,870.40 : 168,707,805.60 = 89,797,054.40 : x
  2. Step 2: Convert to fraction form
    112,471,870.40/168,707,805.60 = 89,797,054.40/x
  3. Step 3: Cross multiply
    112,471,870.40x = 168,707,805.60 × 89,797,054.40
  4. Step 4: Simplify right side
    112,471,870.40x = 15,149,463,997,167,826
  5. Step 5: Solve for x
    x = 15,149,463,997,167,826/112,471,870.40
  6. Step 6: Final answer
    x = 134,695,581.60

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Similar ratio
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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.