Home / 65,339,670.21-90,174,015.45-37,464,973.74

Finding the Fourth Proportional to 65,339,670.21, 90,174,015.45 and 37,464,973.74

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Solution

The fourth proportional to 65,339,670.21, 90,174,015.45 and 37,464,973.74 is: 51,704,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,339,670.21 : 90,174,015.45 = 37,464,973.74 : x
  2. Step 2: Convert to fraction form
    65,339,670.21/90,174,015.45 = 37,464,973.74/x
  3. Step 3: Cross multiply
    65,339,670.21x = 90,174,015.45 × 37,464,973.74
  4. Step 4: Simplify right side
    65,339,670.21x = 3,378,367,120,864,604.50
  5. Step 5: Solve for x
    x = 3,378,367,120,864,604.50/65,339,670.21
  6. Step 6: Final answer
    x = 51,704,685.84

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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.