Home / 370,024,997.82-555,071,745.15-121,031,668.90

Finding the Fourth Proportional to 370,024,997.82, 555,071,745.15 and 121,031,668.90

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Solution

The fourth proportional to 370,024,997.82, 555,071,745.15 and 121,031,668.90 is: 181,558,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,024,997.82 : 555,071,745.15 = 121,031,668.90 : x
  2. Step 2: Convert to fraction form
    370,024,997.82/555,071,745.15 = 121,031,668.90/x
  3. Step 3: Cross multiply
    370,024,997.82x = 555,071,745.15 × 121,031,668.90
  4. Step 4: Simplify right side
    370,024,997.82x = 67,181,259,674,739,984
  5. Step 5: Solve for x
    x = 67,181,259,674,739,984/370,024,997.82
  6. Step 6: Final answer
    x = 181,558,705.68

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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.