Home / 119,882,819.43-165,438,288.77-64,878,675.93

Finding the Fourth Proportional to 119,882,819.43, 165,438,288.77 and 64,878,675.93

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Solution

The fourth proportional to 119,882,819.43, 165,438,288.77 and 64,878,675.93 is: 89,532,571.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,819.43 : 165,438,288.77 = 64,878,675.93 : x
  2. Step 2: Convert to fraction form
    119,882,819.43/165,438,288.77 = 64,878,675.93/x
  3. Step 3: Cross multiply
    119,882,819.43x = 165,438,288.77 × 64,878,675.93
  4. Step 4: Simplify right side
    119,882,819.43x = 10,733,417,123,198,194
  5. Step 5: Solve for x
    x = 10,733,417,123,198,194/119,882,819.43
  6. Step 6: Final answer
    x = 89,532,571.67

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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.