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Finding the Fourth Proportional to 64,129,952.49, 88,496,963.49 and 34,760,654.49

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Solution

The fourth proportional to 64,129,952.49, 88,496,963.49 and 34,760,654.49 is: 47,968,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129,952.49 : 88,496,963.49 = 34,760,654.49 : x
  2. Step 2: Convert to fraction form
    64,129,952.49/88,496,963.49 = 34,760,654.49/x
  3. Step 3: Cross multiply
    64,129,952.49x = 88,496,963.49 × 34,760,654.49
  4. Step 4: Simplify right side
    64,129,952.49x = 3,076,212,371,290,034.50
  5. Step 5: Solve for x
    x = 3,076,212,371,290,034.50/64,129,952.49
  6. Step 6: Final answer
    x = 47,968,418.06

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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.