Home / 115,931,817.20-173,892,196.20-39,247,324.40

Finding the Fourth Proportional to 115,931,817.20, 173,892,196.20 and 39,247,324.40

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Solution

The fourth proportional to 115,931,817.20, 173,892,196.20 and 39,247,324.40 is: 58,869,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,931,817.20 : 173,892,196.20 = 39,247,324.40 : x
  2. Step 2: Convert to fraction form
    115,931,817.20/173,892,196.20 = 39,247,324.40/x
  3. Step 3: Cross multiply
    115,931,817.20x = 173,892,196.20 × 39,247,324.40
  4. Step 4: Simplify right side
    115,931,817.20x = 6,824,803,434,889,847
  5. Step 5: Solve for x
    x = 6,824,803,434,889,847/115,931,817.20
  6. Step 6: Final answer
    x = 58,869,114.62

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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.