Home / 308,654,513.88-425,943,695.64-167,525,784.96

Finding the Fourth Proportional to 308,654,513.88, 425,943,695.64 and 167,525,784.96

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Solution

The fourth proportional to 308,654,513.88, 425,943,695.64 and 167,525,784.96 is: 231,185,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,654,513.88 : 425,943,695.64 = 167,525,784.96 : x
  2. Step 2: Convert to fraction form
    308,654,513.88/425,943,695.64 = 167,525,784.96/x
  3. Step 3: Cross multiply
    308,654,513.88x = 425,943,695.64 × 167,525,784.96
  4. Step 4: Simplify right side
    308,654,513.88x = 71,356,551,960,854,328
  5. Step 5: Solve for x
    x = 71,356,551,960,854,328/308,654,513.88
  6. Step 6: Final answer
    x = 231,185,836.44

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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.