Home / 143,551,936.41-198,075,541.10-80,818,278.81

Finding the Fourth Proportional to 143,551,936.41, 198,075,541.10 and 80,818,278.81

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Solution

The fourth proportional to 143,551,936.41, 198,075,541.10 and 80,818,278.81 is: 111,514,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,551,936.41 : 198,075,541.10 = 80,818,278.81 : x
  2. Step 2: Convert to fraction form
    143,551,936.41/198,075,541.10 = 80,818,278.81/x
  3. Step 3: Cross multiply
    143,551,936.41x = 198,075,541.10 × 80,818,278.81
  4. Step 4: Simplify right side
    143,551,936.41x = 16,008,124,305,657,324
  5. Step 5: Solve for x
    x = 16,008,124,305,657,324/143,551,936.41
  6. Step 6: Final answer
    x = 111,514,513.19

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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.