Home / 144,735,895.65-216,925,976.79-66,907,523.70

Finding the Fourth Proportional to 144,735,895.65, 216,925,976.79 and 66,907,523.70

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Solution

The fourth proportional to 144,735,895.65, 216,925,976.79 and 66,907,523.70 is: 100,279,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,735,895.65 : 216,925,976.79 = 66,907,523.70 : x
  2. Step 2: Convert to fraction form
    144,735,895.65/216,925,976.79 = 66,907,523.70/x
  3. Step 3: Cross multiply
    144,735,895.65x = 216,925,976.79 × 66,907,523.70
  4. Step 4: Simplify right side
    144,735,895.65x = 14,513,979,933,222,576
  5. Step 5: Solve for x
    x = 14,513,979,933,222,576/144,735,895.65
  6. Step 6: Final answer
    x = 100,279,062.55

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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.