Home / 65,963,043.90-98,945,327.52-19,905,311.79

Finding the Fourth Proportional to 65,963,043.90, 98,945,327.52 and 19,905,311.79

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Solution

The fourth proportional to 65,963,043.90, 98,945,327.52 and 19,905,311.79 is: 29,858,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,963,043.90 : 98,945,327.52 = 19,905,311.79 : x
  2. Step 2: Convert to fraction form
    65,963,043.90/98,945,327.52 = 19,905,311.79/x
  3. Step 3: Cross multiply
    65,963,043.90x = 98,945,327.52 × 19,905,311.79
  4. Step 4: Simplify right side
    65,963,043.90x = 1,969,537,594,449,267.25
  5. Step 5: Solve for x
    x = 1,969,537,594,449,267.25/65,963,043.90
  6. Step 6: Final answer
    x = 29,858,197.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.