Home / 91,669,813.62-137,502,722.94-43,120,757.34

Finding the Fourth Proportional to 91,669,813.62, 137,502,722.94 and 43,120,757.34

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Solution

The fourth proportional to 91,669,813.62, 137,502,722.94 and 43,120,757.34 is: 64,680,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,669,813.62 : 137,502,722.94 = 43,120,757.34 : x
  2. Step 2: Convert to fraction form
    91,669,813.62/137,502,722.94 = 43,120,757.34/x
  3. Step 3: Cross multiply
    91,669,813.62x = 137,502,722.94 × 43,120,757.34
  4. Step 4: Simplify right side
    91,669,813.62x = 5,929,221,549,484,992
  5. Step 5: Solve for x
    x = 5,929,221,549,484,992/91,669,813.62
  6. Step 6: Final answer
    x = 64,680,196.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.