Home / 65,888,881.38-98,813,423.72-19,818,520.44

Finding the Fourth Proportional to 65,888,881.38, 98,813,423.72 and 19,818,520.44

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Solution

The fourth proportional to 65,888,881.38, 98,813,423.72 and 19,818,520.44 is: 29,721,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888,881.38 : 98,813,423.72 = 19,818,520.44 : x
  2. Step 2: Convert to fraction form
    65,888,881.38/98,813,423.72 = 19,818,520.44/x
  3. Step 3: Cross multiply
    65,888,881.38x = 98,813,423.72 × 19,818,520.44
  4. Step 4: Simplify right side
    65,888,881.38x = 1,958,335,857,741,201
  5. Step 5: Solve for x
    x = 1,958,335,857,741,201/65,888,881.38
  6. Step 6: Final answer
    x = 29,721,795.49

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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.