Home / 65,499,560.68-90,387,797.52-36,130,250.20

Finding the Fourth Proportional to 65,499,560.68, 90,387,797.52 and 36,130,250.20

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Solution

The fourth proportional to 65,499,560.68, 90,387,797.52 and 36,130,250.20 is: 49,858,864.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,499,560.68 : 90,387,797.52 = 36,130,250.20 : x
  2. Step 2: Convert to fraction form
    65,499,560.68/90,387,797.52 = 36,130,250.20/x
  3. Step 3: Cross multiply
    65,499,560.68x = 90,387,797.52 × 36,130,250.20
  4. Step 4: Simplify right side
    65,499,560.68x = 3,265,733,739,424,539.50
  5. Step 5: Solve for x
    x = 3,265,733,739,424,539.50/65,499,560.68
  6. Step 6: Final answer
    x = 49,858,864.79

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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.