Home / 119,882,769.91-165,438,220.46-64,878,626.41

Finding the Fourth Proportional to 119,882,769.91, 165,438,220.46 and 64,878,626.41

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Solution

The fourth proportional to 119,882,769.91, 165,438,220.46 and 64,878,626.41 is: 89,532,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,769.91 : 165,438,220.46 = 64,878,626.41 : x
  2. Step 2: Convert to fraction form
    119,882,769.91/165,438,220.46 = 64,878,626.41/x
  3. Step 3: Cross multiply
    119,882,769.91x = 165,438,220.46 × 64,878,626.41
  4. Step 4: Simplify right side
    119,882,769.91x = 10,733,404,498,421,570
  5. Step 5: Solve for x
    x = 10,733,404,498,421,570/119,882,769.91
  6. Step 6: Final answer
    x = 89,532,503.35

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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.