Home / 345,692,463.79-518,708,938.43-161,433,160.47

Finding the Fourth Proportional to 345,692,463.79, 518,708,938.43 and 161,433,160.47

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Solution

The fourth proportional to 345,692,463.79, 518,708,938.43 and 161,433,160.47 is: 242,229,241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,692,463.79 : 518,708,938.43 = 161,433,160.47 : x
  2. Step 2: Convert to fraction form
    345,692,463.79/518,708,938.43 = 161,433,160.47/x
  3. Step 3: Cross multiply
    345,692,463.79x = 518,708,938.43 × 161,433,160.47
  4. Step 4: Simplify right side
    345,692,463.79x = 83,736,823,295,144,320
  5. Step 5: Solve for x
    x = 83,736,823,295,144,320/345,692,463.79
  6. Step 6: Final answer
    x = 242,229,241.50

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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.