Home / 187,008,670.80-280,513,006.20-179,842,309.20

Finding the Fourth Proportional to 187,008,670.80, 280,513,006.20 and 179,842,309.20

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Solution

The fourth proportional to 187,008,670.80, 280,513,006.20 and 179,842,309.20 is: 269,763,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,008,670.80 : 280,513,006.20 = 179,842,309.20 : x
  2. Step 2: Convert to fraction form
    187,008,670.80/280,513,006.20 = 179,842,309.20/x
  3. Step 3: Cross multiply
    187,008,670.80x = 280,513,006.20 × 179,842,309.20
  4. Step 4: Simplify right side
    187,008,670.80x = 50,448,106,795,641,912
  5. Step 5: Solve for x
    x = 50,448,106,795,641,912/187,008,670.80
  6. Step 6: Final answer
    x = 269,763,463.80

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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.