Home / 71,334,156,739.70-107,001,235,109.55-21,647,399,309.30

Finding the Fourth Proportional to 71,334,156,739.70, 107,001,235,109.55 and 21,647,399,309.30

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Solution

The fourth proportional to 71,334,156,739.70, 107,001,235,109.55 and 21,647,399,309.30 is: 32,471,098,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,334,156,739.70 : 107,001,235,109.55 = 21,647,399,309.30 : x
  2. Step 2: Convert to fraction form
    71,334,156,739.70/107,001,235,109.55 = 21,647,399,309.30/x
  3. Step 3: Cross multiply
    71,334,156,739.70x = 107,001,235,109.55 × 21,647,399,309.30
  4. Step 4: Simplify right side
    71,334,156,739.70x = 2,316,298,463,004,719,579,136
  5. Step 5: Solve for x
    x = 2,316,298,463,004,719,579,136/71,334,156,739.70
  6. Step 6: Final answer
    x = 32,471,098,963.95

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1.5x scale

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.