Home / 137,240,773.62-189,395,558.09-74,519,515.16

Finding the Fourth Proportional to 137,240,773.62, 189,395,558.09 and 74,519,515.16

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Solution

The fourth proportional to 137,240,773.62, 189,395,558.09 and 74,519,515.16 is: 102,838,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,240,773.62 : 189,395,558.09 = 74,519,515.16 : x
  2. Step 2: Convert to fraction form
    137,240,773.62/189,395,558.09 = 74,519,515.16/x
  3. Step 3: Cross multiply
    137,240,773.62x = 189,395,558.09 × 74,519,515.16
  4. Step 4: Simplify right side
    137,240,773.62x = 14,113,665,162,425,306
  5. Step 5: Solve for x
    x = 14,113,665,162,425,306/137,240,773.62
  6. Step 6: Final answer
    x = 102,838,717.61

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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.