Home / 65,810,688.44-90,817,633.40-36,441,390.43

Finding the Fourth Proportional to 65,810,688.44, 90,817,633.40 and 36,441,390.43

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Solution

The fourth proportional to 65,810,688.44, 90,817,633.40 and 36,441,390.43 is: 50,288,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,810,688.44 : 90,817,633.40 = 36,441,390.43 : x
  2. Step 2: Convert to fraction form
    65,810,688.44/90,817,633.40 = 36,441,390.43/x
  3. Step 3: Cross multiply
    65,810,688.44x = 90,817,633.40 × 36,441,390.43
  4. Step 4: Simplify right side
    65,810,688.44x = 3,309,520,836,658,008.50
  5. Step 5: Solve for x
    x = 3,309,520,836,658,008.50/65,810,688.44
  6. Step 6: Final answer
    x = 50,288,500.47

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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.