Home / 20,155,397,321.70-30,233,095,982.55-14,931,119,715.30

Finding the Fourth Proportional to 20,155,397,321.70, 30,233,095,982.55 and 14,931,119,715.30

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Solution

The fourth proportional to 20,155,397,321.70, 30,233,095,982.55 and 14,931,119,715.30 is: 22,396,679,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,397,321.70 : 30,233,095,982.55 = 14,931,119,715.30 : x
  2. Step 2: Convert to fraction form
    20,155,397,321.70/30,233,095,982.55 = 14,931,119,715.30/x
  3. Step 3: Cross multiply
    20,155,397,321.70x = 30,233,095,982.55 × 14,931,119,715.30
  4. Step 4: Simplify right side
    20,155,397,321.70x = 451,413,975,479,609,524,224
  5. Step 5: Solve for x
    x = 451,413,975,479,609,524,224/20,155,397,321.70
  6. Step 6: Final answer
    x = 22,396,679,572.95

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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.