Home / 20,155,557,847.80-30,233,336,771.70-9,114,434,110.20

Finding the Fourth Proportional to 20,155,557,847.80, 30,233,336,771.70 and 9,114,434,110.20

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Solution

The fourth proportional to 20,155,557,847.80, 30,233,336,771.70 and 9,114,434,110.20 is: 13,671,651,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,557,847.80 : 30,233,336,771.70 = 9,114,434,110.20 : x
  2. Step 2: Convert to fraction form
    20,155,557,847.80/30,233,336,771.70 = 9,114,434,110.20/x
  3. Step 3: Cross multiply
    20,155,557,847.80x = 30,233,336,771.70 × 9,114,434,110.20
  4. Step 4: Simplify right side
    20,155,557,847.80x = 275,559,755,937,146,470,400
  5. Step 5: Solve for x
    x = 275,559,755,937,146,470,400/20,155,557,847.80
  6. Step 6: Final answer
    x = 13,671,651,165.30

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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.