Home / 119,882,778.76-165,438,232.68-64,878,635.26

Finding the Fourth Proportional to 119,882,778.76, 165,438,232.68 and 64,878,635.26

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Solution

The fourth proportional to 119,882,778.76, 165,438,232.68 and 64,878,635.26 is: 89,532,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,778.76 : 165,438,232.68 = 64,878,635.26 : x
  2. Step 2: Convert to fraction form
    119,882,778.76/165,438,232.68 = 64,878,635.26/x
  3. Step 3: Cross multiply
    119,882,778.76x = 165,438,232.68 × 64,878,635.26
  4. Step 4: Simplify right side
    119,882,778.76x = 10,733,406,756,104,732
  5. Step 5: Solve for x
    x = 10,733,406,756,104,732/119,882,778.76
  6. Step 6: Final answer
    x = 89,532,515.57

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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.