Home / 143,551,937.41-198,075,542.47-80,818,279.81

Finding the Fourth Proportional to 143,551,937.41, 198,075,542.47 and 80,818,279.81

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Solution

The fourth proportional to 143,551,937.41, 198,075,542.47 and 80,818,279.81 is: 111,514,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,551,937.41 : 198,075,542.47 = 80,818,279.81 : x
  2. Step 2: Convert to fraction form
    143,551,937.41/198,075,542.47 = 80,818,279.81/x
  3. Step 3: Cross multiply
    143,551,937.41x = 198,075,542.47 × 80,818,279.81
  4. Step 4: Simplify right side
    143,551,937.41x = 16,008,124,614,857,998
  5. Step 5: Solve for x
    x = 16,008,124,614,857,998/143,551,937.41
  6. Step 6: Final answer
    x = 111,514,514.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.