Home / 65,714,896.80-98,383,388.40-40,205,728.80

Finding the Fourth Proportional to 65,714,896.80, 98,383,388.40 and 40,205,728.80

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Solution

The fourth proportional to 65,714,896.80, 98,383,388.40 and 40,205,728.80 is: 60,192,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,714,896.80 : 98,383,388.40 = 40,205,728.80 : x
  2. Step 2: Convert to fraction form
    65,714,896.80/98,383,388.40 = 40,205,728.80/x
  3. Step 3: Cross multiply
    65,714,896.80x = 98,383,388.40 × 40,205,728.80
  4. Step 4: Simplify right side
    65,714,896.80x = 3,955,575,832,435,466
  5. Step 5: Solve for x
    x = 3,955,575,832,435,466/65,714,896.80
  6. Step 6: Final answer
    x = 60,192,985.53

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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.