Home / 112,666,530.72-168,979,819.20-51,241,301.76

Finding the Fourth Proportional to 112,666,530.72, 168,979,819.20 and 51,241,301.76

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Solution

The fourth proportional to 112,666,530.72, 168,979,819.20 and 51,241,301.76 is: 76,852,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,666,530.72 : 168,979,819.20 = 51,241,301.76 : x
  2. Step 2: Convert to fraction form
    112,666,530.72/168,979,819.20 = 51,241,301.76/x
  3. Step 3: Cross multiply
    112,666,530.72x = 168,979,819.20 × 51,241,301.76
  4. Step 4: Simplify right side
    112,666,530.72x = 8,658,745,906,977,441
  5. Step 5: Solve for x
    x = 8,658,745,906,977,441/112,666,530.72
  6. Step 6: Final answer
    x = 76,852,867.06

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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.