Home / 195,728,742.40-293,583,782.40-66,323,660.80

Finding the Fourth Proportional to 195,728,742.40, 293,583,782.40 and 66,323,660.80

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Solution

The fourth proportional to 195,728,742.40, 293,583,782.40 and 66,323,660.80 is: 99,482,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,728,742.40 : 293,583,782.40 = 66,323,660.80 : x
  2. Step 2: Convert to fraction form
    195,728,742.40/293,583,782.40 = 66,323,660.80/x
  3. Step 3: Cross multiply
    195,728,742.40x = 293,583,782.40 × 66,323,660.80
  4. Step 4: Simplify right side
    195,728,742.40x = 19,471,551,200,278,608
  5. Step 5: Solve for x
    x = 19,471,551,200,278,608/195,728,742.40
  6. Step 6: Final answer
    x = 99,482,329.28

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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.