Home / 219,222,436.78-302,526,917.58-120,106,700.02

Finding the Fourth Proportional to 219,222,436.78, 302,526,917.58 and 120,106,700.02

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Solution

The fourth proportional to 219,222,436.78, 302,526,917.58 and 120,106,700.02 is: 165,747,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,222,436.78 : 302,526,917.58 = 120,106,700.02 : x
  2. Step 2: Convert to fraction form
    219,222,436.78/302,526,917.58 = 120,106,700.02/x
  3. Step 3: Cross multiply
    219,222,436.78x = 302,526,917.58 × 120,106,700.02
  4. Step 4: Simplify right side
    219,222,436.78x = 36,335,509,737,756,320
  5. Step 5: Solve for x
    x = 36,335,509,737,756,320/219,222,436.78
  6. Step 6: Final answer
    x = 165,747,221.28

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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.