Home / 187,129,049.67-280,590,829.20-57,700,727.55

Finding the Fourth Proportional to 187,129,049.67, 280,590,829.20 and 57,700,727.55

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Solution

The fourth proportional to 187,129,049.67, 280,590,829.20 and 57,700,727.55 is: 86,519,410.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,129,049.67 : 280,590,829.20 = 57,700,727.55 : x
  2. Step 2: Convert to fraction form
    187,129,049.67/280,590,829.20 = 57,700,727.55/x
  3. Step 3: Cross multiply
    187,129,049.67x = 280,590,829.20 × 57,700,727.55
  4. Step 4: Simplify right side
    187,129,049.67x = 16,190,294,988,697,782
  5. Step 5: Solve for x
    x = 16,190,294,988,697,782/187,129,049.67
  6. Step 6: Final answer
    x = 86,519,410.09

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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.