Home / 121,008,261.90-167,004,335.34-73,992,891.72

Finding the Fourth Proportional to 121,008,261.90, 167,004,335.34 and 73,992,891.72

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Solution

The fourth proportional to 121,008,261.90, 167,004,335.34 and 73,992,891.72 is: 102,118,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,008,261.90 : 167,004,335.34 = 73,992,891.72 : x
  2. Step 2: Convert to fraction form
    121,008,261.90/167,004,335.34 = 73,992,891.72/x
  3. Step 3: Cross multiply
    121,008,261.90x = 167,004,335.34 × 73,992,891.72
  4. Step 4: Simplify right side
    121,008,261.90x = 12,357,133,701,583,190
  5. Step 5: Solve for x
    x = 12,357,133,701,583,190/121,008,261.90
  6. Step 6: Final answer
    x = 102,118,099.27

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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.