Home / 124,463,321.70-186,836,700.15-73,374,126.90

Finding the Fourth Proportional to 124,463,321.70, 186,836,700.15 and 73,374,126.90

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Solution

The fourth proportional to 124,463,321.70, 186,836,700.15 and 73,374,126.90 is: 110,144,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,463,321.70 : 186,836,700.15 = 73,374,126.90 : x
  2. Step 2: Convert to fraction form
    124,463,321.70/186,836,700.15 = 73,374,126.90/x
  3. Step 3: Cross multiply
    124,463,321.70x = 186,836,700.15 × 73,374,126.90
  4. Step 4: Simplify right side
    124,463,321.70x = 13,708,979,746,383,350
  5. Step 5: Solve for x
    x = 13,708,979,746,383,350/124,463,321.70
  6. Step 6: Final answer
    x = 110,144,736.29

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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.