Home / 130,093,224.80-179,528,909.09-71,356,372.88

Finding the Fourth Proportional to 130,093,224.80, 179,528,909.09 and 71,356,372.88

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Solution

The fourth proportional to 130,093,224.80, 179,528,909.09 and 71,356,372.88 is: 98,471,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,093,224.80 : 179,528,909.09 = 71,356,372.88 : x
  2. Step 2: Convert to fraction form
    130,093,224.80/179,528,909.09 = 71,356,372.88/x
  3. Step 3: Cross multiply
    130,093,224.80x = 179,528,909.09 × 71,356,372.88
  4. Step 4: Simplify right side
    130,093,224.80x = 12,810,531,778,511,236
  5. Step 5: Solve for x
    x = 12,810,531,778,511,236/130,093,224.80
  6. Step 6: Final answer
    x = 98,471,936.56

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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.