Home / 134,829,357.75-186,011,573.59-78,304,481.44

Finding the Fourth Proportional to 134,829,357.75, 186,011,573.59 and 78,304,481.44

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Solution

The fourth proportional to 134,829,357.75, 186,011,573.59 and 78,304,481.44 is: 108,029,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,829,357.75 : 186,011,573.59 = 78,304,481.44 : x
  2. Step 2: Convert to fraction form
    134,829,357.75/186,011,573.59 = 78,304,481.44/x
  3. Step 3: Cross multiply
    134,829,357.75x = 186,011,573.59 × 78,304,481.44
  4. Step 4: Simplify right side
    134,829,357.75x = 14,565,539,812,591,996
  5. Step 5: Solve for x
    x = 14,565,539,812,591,996/134,829,357.75
  6. Step 6: Final answer
    x = 108,029,438.51

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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.