Home / 83,014,361.70-124,185,619.35-72,936,665.70

Finding the Fourth Proportional to 83,014,361.70, 124,185,619.35 and 72,936,665.70

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Solution

The fourth proportional to 83,014,361.70, 124,185,619.35 and 72,936,665.70 is: 109,109,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,014,361.70 : 124,185,619.35 = 72,936,665.70 : x
  2. Step 2: Convert to fraction form
    83,014,361.70/124,185,619.35 = 72,936,665.70/x
  3. Step 3: Cross multiply
    83,014,361.70x = 124,185,619.35 × 72,936,665.70
  4. Step 4: Simplify right side
    83,014,361.70x = 9,057,685,003,278,402
  5. Step 5: Solve for x
    x = 9,057,685,003,278,402/83,014,361.70
  6. Step 6: Final answer
    x = 109,109,855.42

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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.