Home / 86,945,101.20-130,433,398.20-43,705,486.80

Finding the Fourth Proportional to 86,945,101.20, 130,433,398.20 and 43,705,486.80

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Solution

The fourth proportional to 86,945,101.20, 130,433,398.20 and 43,705,486.80 is: 65,566,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,945,101.20 : 130,433,398.20 = 43,705,486.80 : x
  2. Step 2: Convert to fraction form
    86,945,101.20/130,433,398.20 = 43,705,486.80/x
  3. Step 3: Cross multiply
    86,945,101.20x = 130,433,398.20 × 43,705,486.80
  4. Step 4: Simplify right side
    86,945,101.20x = 5,700,655,163,309,244
  5. Step 5: Solve for x
    x = 5,700,655,163,309,244/86,945,101.20
  6. Step 6: Final answer
    x = 65,566,145.59

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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.