Home / 289,520,683.40-434,344,010.70-95,399,064.20

Finding the Fourth Proportional to 289,520,683.40, 434,344,010.70 and 95,399,064.20

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Solution

The fourth proportional to 289,520,683.40, 434,344,010.70 and 95,399,064.20 is: 143,119,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,520,683.40 : 434,344,010.70 = 95,399,064.20 : x
  2. Step 2: Convert to fraction form
    289,520,683.40/434,344,010.70 = 95,399,064.20/x
  3. Step 3: Cross multiply
    289,520,683.40x = 434,344,010.70 × 95,399,064.20
  4. Step 4: Simplify right side
    289,520,683.40x = 41,436,012,161,654,784
  5. Step 5: Solve for x
    x = 41,436,012,161,654,784/289,520,683.40
  6. Step 6: Final answer
    x = 143,119,350.49

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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.