Home / 219,222,435.78-302,526,916.20-120,106,699.02

Finding the Fourth Proportional to 219,222,435.78, 302,526,916.20 and 120,106,699.02

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Solution

The fourth proportional to 219,222,435.78, 302,526,916.20 and 120,106,699.02 is: 165,747,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,222,435.78 : 302,526,916.20 = 120,106,699.02 : x
  2. Step 2: Convert to fraction form
    219,222,435.78/302,526,916.20 = 120,106,699.02/x
  3. Step 3: Cross multiply
    219,222,435.78x = 302,526,916.20 × 120,106,699.02
  4. Step 4: Simplify right side
    219,222,435.78x = 36,335,509,269,482,160
  5. Step 5: Solve for x
    x = 36,335,509,269,482,160/219,222,435.78
  6. Step 6: Final answer
    x = 165,747,219.90

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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.