Home / 64,859,420.44-89,503,327.08-38,768,323.36

Finding the Fourth Proportional to 64,859,420.44, 89,503,327.08 and 38,768,323.36

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Solution

The fourth proportional to 64,859,420.44, 89,503,327.08 and 38,768,323.36 is: 53,498,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859,420.44 : 89,503,327.08 = 38,768,323.36 : x
  2. Step 2: Convert to fraction form
    64,859,420.44/89,503,327.08 = 38,768,323.36/x
  3. Step 3: Cross multiply
    64,859,420.44x = 89,503,327.08 × 38,768,323.36
  4. Step 4: Simplify right side
    64,859,420.44x = 3,469,893,926,033,284.50
  5. Step 5: Solve for x
    x = 3,469,893,926,033,284.50/64,859,420.44
  6. Step 6: Final answer
    x = 53,498,688.43

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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.