Home / 289,656,821.70-434,485,232.55-95,598,188.10

Finding the Fourth Proportional to 289,656,821.70, 434,485,232.55 and 95,598,188.10

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Solution

The fourth proportional to 289,656,821.70, 434,485,232.55 and 95,598,188.10 is: 143,397,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,656,821.70 : 434,485,232.55 = 95,598,188.10 : x
  2. Step 2: Convert to fraction form
    289,656,821.70/434,485,232.55 = 95,598,188.10/x
  3. Step 3: Cross multiply
    289,656,821.70x = 434,485,232.55 × 95,598,188.10
  4. Step 4: Simplify right side
    289,656,821.70x = 41,536,000,987,987,144
  5. Step 5: Solve for x
    x = 41,536,000,987,987,144/289,656,821.70
  6. Step 6: Final answer
    x = 143,397,282.15

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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.