Home / 143,737,518.70-215,606,278.05-97,821,016.30

Finding the Fourth Proportional to 143,737,518.70, 215,606,278.05 and 97,821,016.30

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Solution

The fourth proportional to 143,737,518.70, 215,606,278.05 and 97,821,016.30 is: 146,731,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,737,518.70 : 215,606,278.05 = 97,821,016.30 : x
  2. Step 2: Convert to fraction form
    143,737,518.70/215,606,278.05 = 97,821,016.30/x
  3. Step 3: Cross multiply
    143,737,518.70x = 215,606,278.05 × 97,821,016.30
  4. Step 4: Simplify right side
    143,737,518.70x = 21,090,825,239,511,384
  5. Step 5: Solve for x
    x = 21,090,825,239,511,384/143,737,518.70
  6. Step 6: Final answer
    x = 146,731,524.45

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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.