Home / 87,340,399.40-131,152,316.70-49,076,647.40

Finding the Fourth Proportional to 87,340,399.40, 131,152,316.70 and 49,076,647.40

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Solution

The fourth proportional to 87,340,399.40, 131,152,316.70 and 49,076,647.40 is: 73,694,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,340,399.40 : 131,152,316.70 = 49,076,647.40 : x
  2. Step 2: Convert to fraction form
    87,340,399.40/131,152,316.70 = 49,076,647.40/x
  3. Step 3: Cross multiply
    87,340,399.40x = 131,152,316.70 × 49,076,647.40
  4. Step 4: Simplify right side
    87,340,399.40x = 6,436,516,002,379,032
  5. Step 5: Solve for x
    x = 6,436,516,002,379,032/87,340,399.40
  6. Step 6: Final answer
    x = 73,694,602.34

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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.