Home / 61,205,007.60-91,786,078.80-18,062,787.60

Finding the Fourth Proportional to 61,205,007.60, 91,786,078.80 and 18,062,787.60

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Solution

The fourth proportional to 61,205,007.60, 91,786,078.80 and 18,062,787.60 is: 27,087,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,205,007.60 : 91,786,078.80 = 18,062,787.60 : x
  2. Step 2: Convert to fraction form
    61,205,007.60/91,786,078.80 = 18,062,787.60/x
  3. Step 3: Cross multiply
    61,205,007.60x = 91,786,078.80 × 18,062,787.60
  4. Step 4: Simplify right side
    61,205,007.60x = 1,657,912,446,001,263
  5. Step 5: Solve for x
    x = 1,657,912,446,001,263/61,205,007.60
  6. Step 6: Final answer
    x = 27,087,856.22

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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.