Home / 308,185,887.72-462,437,765.77-144,440,279.71

Finding the Fourth Proportional to 308,185,887.72, 462,437,765.77 and 144,440,279.71

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Solution

The fourth proportional to 308,185,887.72, 462,437,765.77 and 144,440,279.71 is: 216,734,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,185,887.72 : 462,437,765.77 = 144,440,279.71 : x
  2. Step 2: Convert to fraction form
    308,185,887.72/462,437,765.77 = 144,440,279.71/x
  3. Step 3: Cross multiply
    308,185,887.72x = 462,437,765.77 × 144,440,279.71
  4. Step 4: Simplify right side
    308,185,887.72x = 66,794,640,236,286,264
  5. Step 5: Solve for x
    x = 66,794,640,236,286,264/308,185,887.72
  6. Step 6: Final answer
    x = 216,734,908.70

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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.