Home / 121,467,130.93-167,644,684.57-74,450,357.72

Finding the Fourth Proportional to 121,467,130.93, 167,644,684.57 and 74,450,357.72

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Solution

The fourth proportional to 121,467,130.93, 167,644,684.57 and 74,450,357.72 is: 102,753,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,467,130.93 : 167,644,684.57 = 74,450,357.72 : x
  2. Step 2: Convert to fraction form
    121,467,130.93/167,644,684.57 = 74,450,357.72/x
  3. Step 3: Cross multiply
    121,467,130.93x = 167,644,684.57 × 74,450,357.72
  4. Step 4: Simplify right side
    121,467,130.93x = 12,481,206,735,068,716
  5. Step 5: Solve for x
    x = 12,481,206,735,068,716/121,467,130.93
  6. Step 6: Final answer
    x = 102,753,779.06

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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.