Home / 65,801,920.05-90,809,486.10-36,433,252.44

Finding the Fourth Proportional to 65,801,920.05, 90,809,486.10 and 36,433,252.44

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Solution

The fourth proportional to 65,801,920.05, 90,809,486.10 and 36,433,252.44 is: 50,279,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801,920.05 : 90,809,486.10 = 36,433,252.44 : x
  2. Step 2: Convert to fraction form
    65,801,920.05/90,809,486.10 = 36,433,252.44/x
  3. Step 3: Cross multiply
    65,801,920.05x = 90,809,486.10 × 36,433,252.44
  4. Step 4: Simplify right side
    65,801,920.05x = 3,308,484,931,027,970.50
  5. Step 5: Solve for x
    x = 3,308,484,931,027,970.50/65,801,920.05
  6. Step 6: Final answer
    x = 50,279,458.84

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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.