Home / 121,116,815.55-181,458,710.33-73,707,029.55

Finding the Fourth Proportional to 121,116,815.55, 181,458,710.33 and 73,707,029.55

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Solution

The fourth proportional to 121,116,815.55, 181,458,710.33 and 73,707,029.55 is: 110,428,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,116,815.55 : 181,458,710.33 = 73,707,029.55 : x
  2. Step 2: Convert to fraction form
    121,116,815.55/181,458,710.33 = 73,707,029.55/x
  3. Step 3: Cross multiply
    121,116,815.55x = 181,458,710.33 × 73,707,029.55
  4. Step 4: Simplify right side
    121,116,815.55x = 13,374,782,524,029,664
  5. Step 5: Solve for x
    x = 13,374,782,524,029,664/121,116,815.55
  6. Step 6: Final answer
    x = 110,428,782.85

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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.