Home / 115,912,763.10-173,869,144.65-52,211,771.10

Finding the Fourth Proportional to 115,912,763.10, 173,869,144.65 and 52,211,771.10

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Solution

The fourth proportional to 115,912,763.10, 173,869,144.65 and 52,211,771.10 is: 78,317,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,763.10 : 173,869,144.65 = 52,211,771.10 : x
  2. Step 2: Convert to fraction form
    115,912,763.10/173,869,144.65 = 52,211,771.10/x
  3. Step 3: Cross multiply
    115,912,763.10x = 173,869,144.65 × 52,211,771.10
  4. Step 4: Simplify right side
    115,912,763.10x = 9,078,015,981,818,590
  5. Step 5: Solve for x
    x = 9,078,015,981,818,590/115,912,763.10
  6. Step 6: Final answer
    x = 78,317,656.65

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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.