Home / 121,632,730.56-167,853,198.24-66,630,542.40

Finding the Fourth Proportional to 121,632,730.56, 167,853,198.24 and 66,630,542.40

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Solution

The fourth proportional to 121,632,730.56, 167,853,198.24 and 66,630,542.40 is: 91,950,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,632,730.56 : 167,853,198.24 = 66,630,542.40 : x
  2. Step 2: Convert to fraction form
    121,632,730.56/167,853,198.24 = 66,630,542.40/x
  3. Step 3: Cross multiply
    121,632,730.56x = 167,853,198.24 × 66,630,542.40
  4. Step 4: Simplify right side
    121,632,730.56x = 11,184,149,642,305,926
  5. Step 5: Solve for x
    x = 11,184,149,642,305,926/121,632,730.56
  6. Step 6: Final answer
    x = 91,950,164.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.