Home / 131,207,872.05-181,065,639.36-71,669,145.36

Finding the Fourth Proportional to 131,207,872.05, 181,065,639.36 and 71,669,145.36

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Solution

The fourth proportional to 131,207,872.05, 181,065,639.36 and 71,669,145.36 is: 98,902,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,207,872.05 : 181,065,639.36 = 71,669,145.36 : x
  2. Step 2: Convert to fraction form
    131,207,872.05/181,065,639.36 = 71,669,145.36/x
  3. Step 3: Cross multiply
    131,207,872.05x = 181,065,639.36 × 71,669,145.36
  4. Step 4: Simplify right side
    131,207,872.05x = 12,976,819,626,993,178
  5. Step 5: Solve for x
    x = 12,976,819,626,993,178/131,207,872.05
  6. Step 6: Final answer
    x = 98,902,751.98

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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.