Home / 219,310,241.40-328,965,362.10-90,010,646.10

Finding the Fourth Proportional to 219,310,241.40, 328,965,362.10 and 90,010,646.10

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Solution

The fourth proportional to 219,310,241.40, 328,965,362.10 and 90,010,646.10 is: 135,015,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,310,241.40 : 328,965,362.10 = 90,010,646.10 : x
  2. Step 2: Convert to fraction form
    219,310,241.40/328,965,362.10 = 90,010,646.10/x
  3. Step 3: Cross multiply
    219,310,241.40x = 328,965,362.10 × 90,010,646.10
  4. Step 4: Simplify right side
    219,310,241.40x = 29,610,384,787,141,452
  5. Step 5: Solve for x
    x = 29,610,384,787,141,452/219,310,241.40
  6. Step 6: Final answer
    x = 135,015,969.15

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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.