Home / 127,718,794.80-191,578,192.20-56,055,178.80

Finding the Fourth Proportional to 127,718,794.80, 191,578,192.20 and 56,055,178.80

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Solution

The fourth proportional to 127,718,794.80, 191,578,192.20 and 56,055,178.80 is: 84,082,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,718,794.80 : 191,578,192.20 = 56,055,178.80 : x
  2. Step 2: Convert to fraction form
    127,718,794.80/191,578,192.20 = 56,055,178.80/x
  3. Step 3: Cross multiply
    127,718,794.80x = 191,578,192.20 × 56,055,178.80
  4. Step 4: Simplify right side
    127,718,794.80x = 10,738,949,817,951,764
  5. Step 5: Solve for x
    x = 10,738,949,817,951,764/127,718,794.80
  6. Step 6: Final answer
    x = 84,082,768.20

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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.