Home / 138,076,302.18-207,109,408.65-41,029,487.49

Finding the Fourth Proportional to 138,076,302.18, 207,109,408.65 and 41,029,487.49

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Solution

The fourth proportional to 138,076,302.18, 207,109,408.65 and 41,029,487.49 is: 61,542,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,076,302.18 : 207,109,408.65 = 41,029,487.49 : x
  2. Step 2: Convert to fraction form
    138,076,302.18/207,109,408.65 = 41,029,487.49/x
  3. Step 3: Cross multiply
    138,076,302.18x = 207,109,408.65 × 41,029,487.49
  4. Step 4: Simplify right side
    138,076,302.18x = 8,497,592,891,266,473
  5. Step 5: Solve for x
    x = 8,497,592,891,266,473/138,076,302.18
  6. Step 6: Final answer
    x = 61,542,732.22

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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.