Home / 87,114,136.80-130,734,190.80-48,734,911.20

Finding the Fourth Proportional to 87,114,136.80, 130,734,190.80 and 48,734,911.20

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Solution

The fourth proportional to 87,114,136.80, 130,734,190.80 and 48,734,911.20 is: 73,137,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,114,136.80 : 130,734,190.80 = 48,734,911.20 : x
  2. Step 2: Convert to fraction form
    87,114,136.80/130,734,190.80 = 48,734,911.20/x
  3. Step 3: Cross multiply
    87,114,136.80x = 130,734,190.80 × 48,734,911.20
  4. Step 4: Simplify right side
    87,114,136.80x = 6,371,319,179,441,857
  5. Step 5: Solve for x
    x = 6,371,319,179,441,857/87,114,136.80
  6. Step 6: Final answer
    x = 73,137,603.30

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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.