Home / 289,731,986.20-434,597,979.30-95,673,352.60

Finding the Fourth Proportional to 289,731,986.20, 434,597,979.30 and 95,673,352.60

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Solution

The fourth proportional to 289,731,986.20, 434,597,979.30 and 95,673,352.60 is: 143,510,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,731,986.20 : 434,597,979.30 = 95,673,352.60 : x
  2. Step 2: Convert to fraction form
    289,731,986.20/434,597,979.30 = 95,673,352.60/x
  3. Step 3: Cross multiply
    289,731,986.20x = 434,597,979.30 × 95,673,352.60
  4. Step 4: Simplify right side
    289,731,986.20x = 41,579,445,712,816,400
  5. Step 5: Solve for x
    x = 41,579,445,712,816,400/289,731,986.20
  6. Step 6: Final answer
    x = 143,510,028.90

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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.