Home / 86,224,091.77-129,288,286.06-28,684,952.83

Finding the Fourth Proportional to 86,224,091.77, 129,288,286.06 and 28,684,952.83

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Solution

The fourth proportional to 86,224,091.77, 129,288,286.06 and 28,684,952.83 is: 43,011,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,224,091.77 : 129,288,286.06 = 28,684,952.83 : x
  2. Step 2: Convert to fraction form
    86,224,091.77/129,288,286.06 = 28,684,952.83/x
  3. Step 3: Cross multiply
    86,224,091.77x = 129,288,286.06 × 28,684,952.83
  4. Step 4: Simplify right side
    86,224,091.77x = 3,708,628,387,102,646.50
  5. Step 5: Solve for x
    x = 3,708,628,387,102,646.50/86,224,091.77
  6. Step 6: Final answer
    x = 43,011,510.02

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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.