Home / 289,743,977.70-434,615,966.55-95,685,344.10

Finding the Fourth Proportional to 289,743,977.70, 434,615,966.55 and 95,685,344.10

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Solution

The fourth proportional to 289,743,977.70, 434,615,966.55 and 95,685,344.10 is: 143,528,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,743,977.70 : 434,615,966.55 = 95,685,344.10 : x
  2. Step 2: Convert to fraction form
    289,743,977.70/434,615,966.55 = 95,685,344.10/x
  3. Step 3: Cross multiply
    289,743,977.70x = 434,615,966.55 × 95,685,344.10
  4. Step 4: Simplify right side
    289,743,977.70x = 41,586,378,310,690,840
  5. Step 5: Solve for x
    x = 41,586,378,310,690,840/289,743,977.70
  6. Step 6: Final answer
    x = 143,528,016.15

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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.