Home / 308,654,497.34-425,943,672.93-167,525,768.45

Finding the Fourth Proportional to 308,654,497.34, 425,943,672.93 and 167,525,768.45

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Solution

The fourth proportional to 308,654,497.34, 425,943,672.93 and 167,525,768.45 is: 231,185,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,654,497.34 : 425,943,672.93 = 167,525,768.45 : x
  2. Step 2: Convert to fraction form
    308,654,497.34/425,943,672.93 = 167,525,768.45/x
  3. Step 3: Cross multiply
    308,654,497.34x = 425,943,672.93 × 167,525,768.45
  4. Step 4: Simplify right side
    308,654,497.34x = 71,356,541,125,078,568
  5. Step 5: Solve for x
    x = 71,356,541,125,078,568/308,654,497.34
  6. Step 6: Final answer
    x = 231,185,813.72

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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.