Home / 289,726,291.20-434,589,436.80-95,667,657.60

Finding the Fourth Proportional to 289,726,291.20, 434,589,436.80 and 95,667,657.60

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Solution

The fourth proportional to 289,726,291.20, 434,589,436.80 and 95,667,657.60 is: 143,501,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,726,291.20 : 434,589,436.80 = 95,667,657.60 : x
  2. Step 2: Convert to fraction form
    289,726,291.20/434,589,436.80 = 95,667,657.60/x
  3. Step 3: Cross multiply
    289,726,291.20x = 434,589,436.80 × 95,667,657.60
  4. Step 4: Simplify right side
    289,726,291.20x = 41,576,153,436,359,240
  5. Step 5: Solve for x
    x = 41,576,153,436,359,240/289,726,291.20
  6. Step 6: Final answer
    x = 143,501,486.40

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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.