Home / 120,838,887.09-181,385,111.93-107,093,788.92

Finding the Fourth Proportional to 120,838,887.09, 181,385,111.93 and 107,093,788.92

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Solution

The fourth proportional to 120,838,887.09, 181,385,111.93 and 107,093,788.92 is: 160,753,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,838,887.09 : 181,385,111.93 = 107,093,788.92 : x
  2. Step 2: Convert to fraction form
    120,838,887.09/181,385,111.93 = 107,093,788.92/x
  3. Step 3: Cross multiply
    120,838,887.09x = 181,385,111.93 × 107,093,788.92
  4. Step 4: Simplify right side
    120,838,887.09x = 19,425,218,890,261,996
  5. Step 5: Solve for x
    x = 19,425,218,890,261,996/120,838,887.09
  6. Step 6: Final answer
    x = 160,753,043.64

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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.