Home / 86,896,366.20-130,428,530.10-43,814,215.80

Finding the Fourth Proportional to 86,896,366.20, 130,428,530.10 and 43,814,215.80

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Solution

The fourth proportional to 86,896,366.20, 130,428,530.10 and 43,814,215.80 is: 65,763,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,896,366.20 : 130,428,530.10 = 43,814,215.80 : x
  2. Step 2: Convert to fraction form
    86,896,366.20/130,428,530.10 = 43,814,215.80/x
  3. Step 3: Cross multiply
    86,896,366.20x = 130,428,530.10 × 43,814,215.80
  4. Step 4: Simplify right side
    86,896,366.20x = 5,714,623,764,278,195
  5. Step 5: Solve for x
    x = 5,714,623,764,278,195/86,896,366.20
  6. Step 6: Final answer
    x = 65,763,667.85

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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.