Home / 124,558,221.20-186,837,331.80-55,470,891.20

Finding the Fourth Proportional to 124,558,221.20, 186,837,331.80 and 55,470,891.20

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Solution

The fourth proportional to 124,558,221.20, 186,837,331.80 and 55,470,891.20 is: 83,206,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,558,221.20 : 186,837,331.80 = 55,470,891.20 : x
  2. Step 2: Convert to fraction form
    124,558,221.20/186,837,331.80 = 55,470,891.20/x
  3. Step 3: Cross multiply
    124,558,221.20x = 186,837,331.80 × 55,470,891.20
  4. Step 4: Simplify right side
    124,558,221.20x = 10,364,033,304,376,102
  5. Step 5: Solve for x
    x = 10,364,033,304,376,102/124,558,221.20
  6. Step 6: Final answer
    x = 83,206,336.80

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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.