Home / 89,921,060.58-124,094,072.70-55,107,027.84

Finding the Fourth Proportional to 89,921,060.58, 124,094,072.70 and 55,107,027.84

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Solution

The fourth proportional to 89,921,060.58, 124,094,072.70 and 55,107,027.84 is: 76,049,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921,060.58 : 124,094,072.70 = 55,107,027.84 : x
  2. Step 2: Convert to fraction form
    89,921,060.58/124,094,072.70 = 55,107,027.84/x
  3. Step 3: Cross multiply
    89,921,060.58x = 124,094,072.70 × 55,107,027.84
  4. Step 4: Simplify right side
    89,921,060.58x = 6,838,455,519,057,885
  5. Step 5: Solve for x
    x = 6,838,455,519,057,885/89,921,060.58
  6. Step 6: Final answer
    x = 76,049,542.51

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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.