Home / 119,882,814.91-165,438,282.53-64,878,671.41

Finding the Fourth Proportional to 119,882,814.91, 165,438,282.53 and 64,878,671.41

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Solution

The fourth proportional to 119,882,814.91, 165,438,282.53 and 64,878,671.41 is: 89,532,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,814.91 : 165,438,282.53 = 64,878,671.41 : x
  2. Step 2: Convert to fraction form
    119,882,814.91/165,438,282.53 = 64,878,671.41/x
  3. Step 3: Cross multiply
    119,882,814.91x = 165,438,282.53 × 64,878,671.41
  4. Step 4: Simplify right side
    119,882,814.91x = 10,733,415,970,647,214
  5. Step 5: Solve for x
    x = 10,733,415,970,647,214/119,882,814.91
  6. Step 6: Final answer
    x = 89,532,565.44

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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.