Home / 201,961,787.08-278,719,756.14-111,434,835.31

Finding the Fourth Proportional to 201,961,787.08, 278,719,756.14 and 111,434,835.31

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Solution

The fourth proportional to 201,961,787.08, 278,719,756.14 and 111,434,835.31 is: 153,786,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,961,787.08 : 278,719,756.14 = 111,434,835.31 : x
  2. Step 2: Convert to fraction form
    201,961,787.08/278,719,756.14 = 111,434,835.31/x
  3. Step 3: Cross multiply
    201,961,787.08x = 278,719,756.14 × 111,434,835.31
  4. Step 4: Simplify right side
    201,961,787.08x = 31,059,090,123,104,260
  5. Step 5: Solve for x
    x = 31,059,090,123,104,260/201,961,787.08
  6. Step 6: Final answer
    x = 153,786,964.22

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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.