Home / 57,798,682.72-86,637,334.32-19,446,882.16

Finding the Fourth Proportional to 57,798,682.72, 86,637,334.32 and 19,446,882.16

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Solution

The fourth proportional to 57,798,682.72, 86,637,334.32 and 19,446,882.16 is: 29,149,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798,682.72 : 86,637,334.32 = 19,446,882.16 : x
  2. Step 2: Convert to fraction form
    57,798,682.72/86,637,334.32 = 19,446,882.16/x
  3. Step 3: Cross multiply
    57,798,682.72x = 86,637,334.32 × 19,446,882.16
  4. Step 4: Simplify right side
    57,798,682.72x = 1,684,826,031,177,563.50
  5. Step 5: Solve for x
    x = 1,684,826,031,177,563.50/57,798,682.72
  6. Step 6: Final answer
    x = 29,149,903.63

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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.