Home / 195,431,046.40-293,146,569.60-67,780,230.40

Finding the Fourth Proportional to 195,431,046.40, 293,146,569.60 and 67,780,230.40

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Solution

The fourth proportional to 195,431,046.40, 293,146,569.60 and 67,780,230.40 is: 101,670,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,431,046.40 : 293,146,569.60 = 67,780,230.40 : x
  2. Step 2: Convert to fraction form
    195,431,046.40/293,146,569.60 = 67,780,230.40/x
  3. Step 3: Cross multiply
    195,431,046.40x = 293,146,569.60 × 67,780,230.40
  4. Step 4: Simplify right side
    195,431,046.40x = 19,869,542,028,457,640
  5. Step 5: Solve for x
    x = 19,869,542,028,457,640/195,431,046.40
  6. Step 6: Final answer
    x = 101,670,345.60

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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.