Home / 38,021,189,826.84-57,031,706,358.18-21,451,442,063.64

Finding the Fourth Proportional to 38,021,189,826.84, 57,031,706,358.18 and 21,451,442,063.64

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Solution

The fourth proportional to 38,021,189,826.84, 57,031,706,358.18 and 21,451,442,063.64 is: 32,177,118,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021,189,826.84 : 57,031,706,358.18 = 21,451,442,063.64 : x
  2. Step 2: Convert to fraction form
    38,021,189,826.84/57,031,706,358.18 = 21,451,442,063.64/x
  3. Step 3: Cross multiply
    38,021,189,826.84x = 57,031,706,358.18 × 21,451,442,063.64
  4. Step 4: Simplify right side
    38,021,189,826.84x = 1,223,412,344,733,027,270,656
  5. Step 5: Solve for x
    x = 1,223,412,344,733,027,270,656/38,021,189,826.84
  6. Step 6: Final answer
    x = 32,177,118,872.52

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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.