Home / 84,780,801.20-127,187,790.60-36,258,561.20

Finding the Fourth Proportional to 84,780,801.20, 127,187,790.60 and 36,258,561.20

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Solution

The fourth proportional to 84,780,801.20, 127,187,790.60 and 36,258,561.20 is: 54,394,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,780,801.20 : 127,187,790.60 = 36,258,561.20 : x
  2. Step 2: Convert to fraction form
    84,780,801.20/127,187,790.60 = 36,258,561.20/x
  3. Step 3: Cross multiply
    84,780,801.20x = 127,187,790.60 × 36,258,561.20
  4. Step 4: Simplify right side
    84,780,801.20x = 4,611,646,289,362,885
  5. Step 5: Solve for x
    x = 4,611,646,289,362,885/84,780,801.20
  6. Step 6: Final answer
    x = 54,394,936.40

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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.