Home / 66,488,327.82-91,762,356.36-38,605,487.22

Finding the Fourth Proportional to 66,488,327.82, 91,762,356.36 and 38,605,487.22

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Solution

The fourth proportional to 66,488,327.82, 91,762,356.36 and 38,605,487.22 is: 53,280,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,488,327.82 : 91,762,356.36 = 38,605,487.22 : x
  2. Step 2: Convert to fraction form
    66,488,327.82/91,762,356.36 = 38,605,487.22/x
  3. Step 3: Cross multiply
    66,488,327.82x = 91,762,356.36 × 38,605,487.22
  4. Step 4: Simplify right side
    66,488,327.82x = 3,542,530,475,733,065.50
  5. Step 5: Solve for x
    x = 3,542,530,475,733,065.50/66,488,327.82
  6. Step 6: Final answer
    x = 53,280,486.84

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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.