Home / 195,863,019.20-293,983,485.60-98,928,180.80

Finding the Fourth Proportional to 195,863,019.20, 293,983,485.60 and 98,928,180.80

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Solution

The fourth proportional to 195,863,019.20, 293,983,485.60 and 98,928,180.80 is: 148,487,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,863,019.20 : 293,983,485.60 = 98,928,180.80 : x
  2. Step 2: Convert to fraction form
    195,863,019.20/293,983,485.60 = 98,928,180.80/x
  3. Step 3: Cross multiply
    195,863,019.20x = 293,983,485.60 × 98,928,180.80
  4. Step 4: Simplify right side
    195,863,019.20x = 29,083,251,415,650,996
  5. Step 5: Solve for x
    x = 29,083,251,415,650,996/195,863,019.20
  6. Step 6: Final answer
    x = 148,487,711.13

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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.