Home / 308,185,886.72-462,437,764.27-144,440,278.71

Finding the Fourth Proportional to 308,185,886.72, 462,437,764.27 and 144,440,278.71

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Solution

The fourth proportional to 308,185,886.72, 462,437,764.27 and 144,440,278.71 is: 216,734,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,185,886.72 : 462,437,764.27 = 144,440,278.71 : x
  2. Step 2: Convert to fraction form
    308,185,886.72/462,437,764.27 = 144,440,278.71/x
  3. Step 3: Cross multiply
    308,185,886.72x = 462,437,764.27 × 144,440,278.71
  4. Step 4: Simplify right side
    308,185,886.72x = 66,794,639,554,153,696
  5. Step 5: Solve for x
    x = 66,794,639,554,153,696/308,185,886.72
  6. Step 6: Final answer
    x = 216,734,907.19

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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.