Home / 308,966,218.22-426,373,553.37-169,745,948.06

Finding the Fourth Proportional to 308,966,218.22, 426,373,553.37 and 169,745,948.06

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Solution

The fourth proportional to 308,966,218.22, 426,373,553.37 and 169,745,948.06 is: 234,249,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,966,218.22 : 426,373,553.37 = 169,745,948.06 : x
  2. Step 2: Convert to fraction form
    308,966,218.22/426,373,553.37 = 169,745,948.06/x
  3. Step 3: Cross multiply
    308,966,218.22x = 426,373,553.37 × 169,745,948.06
  4. Step 4: Simplify right side
    308,966,218.22x = 72,375,183,042,369,792
  5. Step 5: Solve for x
    x = 72,375,183,042,369,792/308,966,218.22
  6. Step 6: Final answer
    x = 234,249,502.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.