Home / 201,698,380.20-278,340,935.27-112,394,088.34

Finding the Fourth Proportional to 201,698,380.20, 278,340,935.27 and 112,394,088.34

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Solution

The fourth proportional to 201,698,380.20, 278,340,935.27 and 112,394,088.34 is: 155,102,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,698,380.20 : 278,340,935.27 = 112,394,088.34 : x
  2. Step 2: Convert to fraction form
    201,698,380.20/278,340,935.27 = 112,394,088.34/x
  3. Step 3: Cross multiply
    201,698,380.20x = 278,340,935.27 × 112,394,088.34
  4. Step 4: Simplify right side
    201,698,380.20x = 31,283,875,667,655,584
  5. Step 5: Solve for x
    x = 31,283,875,667,655,584/201,698,380.20
  6. Step 6: Final answer
    x = 155,102,265.26

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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.