Home / 143,551,937.91-198,075,543.17-80,818,280.31

Finding the Fourth Proportional to 143,551,937.91, 198,075,543.17 and 80,818,280.31

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Solution

The fourth proportional to 143,551,937.91, 198,075,543.17 and 80,818,280.31 is: 111,514,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,551,937.91 : 198,075,543.17 = 80,818,280.31 : x
  2. Step 2: Convert to fraction form
    143,551,937.91/198,075,543.17 = 80,818,280.31/x
  3. Step 3: Cross multiply
    143,551,937.91x = 198,075,543.17 × 80,818,280.31
  4. Step 4: Simplify right side
    143,551,937.91x = 16,008,124,770,064,474
  5. Step 5: Solve for x
    x = 16,008,124,770,064,474/143,551,937.91
  6. Step 6: Final answer
    x = 111,514,515.26

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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.