Home / 20,155,397,318.20-30,233,095,977.30-14,931,119,711.80

Finding the Fourth Proportional to 20,155,397,318.20, 30,233,095,977.30 and 14,931,119,711.80

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Solution

The fourth proportional to 20,155,397,318.20, 30,233,095,977.30 and 14,931,119,711.80 is: 22,396,679,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,397,318.20 : 30,233,095,977.30 = 14,931,119,711.80 : x
  2. Step 2: Convert to fraction form
    20,155,397,318.20/30,233,095,977.30 = 14,931,119,711.80/x
  3. Step 3: Cross multiply
    20,155,397,318.20x = 30,233,095,977.30 × 14,931,119,711.80
  4. Step 4: Simplify right side
    20,155,397,318.20x = 451,413,975,295,405,260,800
  5. Step 5: Solve for x
    x = 451,413,975,295,405,260,800/20,155,397,318.20
  6. Step 6: Final answer
    x = 22,396,679,567.70

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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.