Home / 127,718,777.80-191,578,166.70-56,055,161.80

Finding the Fourth Proportional to 127,718,777.80, 191,578,166.70 and 56,055,161.80

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Solution

The fourth proportional to 127,718,777.80, 191,578,166.70 and 56,055,161.80 is: 84,082,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,718,777.80 : 191,578,166.70 = 56,055,161.80 : x
  2. Step 2: Convert to fraction form
    127,718,777.80/191,578,166.70 = 56,055,161.80/x
  3. Step 3: Cross multiply
    127,718,777.80x = 191,578,166.70 × 56,055,161.80
  4. Step 4: Simplify right side
    127,718,777.80x = 10,738,945,131,715,870
  5. Step 5: Solve for x
    x = 10,738,945,131,715,870/127,718,777.80
  6. Step 6: Final answer
    x = 84,082,742.70

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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.