Home / 65,414,605.20-98,015,619.60-54,573,208.80

Finding the Fourth Proportional to 65,414,605.20, 98,015,619.60 and 54,573,208.80

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Solution

The fourth proportional to 65,414,605.20, 98,015,619.60 and 54,573,208.80 is: 81,771,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414,605.20 : 98,015,619.60 = 54,573,208.80 : x
  2. Step 2: Convert to fraction form
    65,414,605.20/98,015,619.60 = 54,573,208.80/x
  3. Step 3: Cross multiply
    65,414,605.20x = 98,015,619.60 × 54,573,208.80
  4. Step 4: Simplify right side
    65,414,605.20x = 5,349,026,874,092,172
  5. Step 5: Solve for x
    x = 5,349,026,874,092,172/65,414,605.20
  6. Step 6: Final answer
    x = 81,771,140.52

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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.