Home / 64,877,894.21-89,521,863.22-39,404,057.33

Finding the Fourth Proportional to 64,877,894.21, 89,521,863.22 and 39,404,057.33

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Solution

The fourth proportional to 64,877,894.21, 89,521,863.22 and 39,404,057.33 is: 54,371,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877,894.21 : 89,521,863.22 = 39,404,057.33 : x
  2. Step 2: Convert to fraction form
    64,877,894.21/89,521,863.22 = 39,404,057.33/x
  3. Step 3: Cross multiply
    64,877,894.21x = 89,521,863.22 × 39,404,057.33
  4. Step 4: Simplify right side
    64,877,894.21x = 3,527,524,630,882,358.50
  5. Step 5: Solve for x
    x = 3,527,524,630,882,358.50/64,877,894.21
  6. Step 6: Final answer
    x = 54,371,749.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.