Home / 143,344,941.15-214,881,193.49-91,383,687.39

Finding the Fourth Proportional to 143,344,941.15, 214,881,193.49 and 91,383,687.39

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Solution

The fourth proportional to 143,344,941.15, 214,881,193.49 and 91,383,687.39 is: 136,988,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,344,941.15 : 214,881,193.49 = 91,383,687.39 : x
  2. Step 2: Convert to fraction form
    143,344,941.15/214,881,193.49 = 91,383,687.39/x
  3. Step 3: Cross multiply
    143,344,941.15x = 214,881,193.49 × 91,383,687.39
  4. Step 4: Simplify right side
    143,344,941.15x = 19,636,635,811,423,348
  5. Step 5: Solve for x
    x = 19,636,635,811,423,348/143,344,941.15
  6. Step 6: Final answer
    x = 136,988,690.73

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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.