Home / 449,039,292.96-673,583,084.72-142,355,320.68

Finding the Fourth Proportional to 449,039,292.96, 673,583,084.72 and 142,355,320.68

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Solution

The fourth proportional to 449,039,292.96, 673,583,084.72 and 142,355,320.68 is: 213,540,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,039,292.96 : 673,583,084.72 = 142,355,320.68 : x
  2. Step 2: Convert to fraction form
    449,039,292.96/673,583,084.72 = 142,355,320.68/x
  3. Step 3: Cross multiply
    449,039,292.96x = 673,583,084.72 × 142,355,320.68
  4. Step 4: Simplify right side
    449,039,292.96x = 95,888,136,029,939,216
  5. Step 5: Solve for x
    x = 95,888,136,029,939,216/449,039,292.96
  6. Step 6: Final answer
    x = 213,540,635.60

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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.