Home / 58,728,040.80-87,917,878.80-43,648,821.60

Finding the Fourth Proportional to 58,728,040.80, 87,917,878.80 and 43,648,821.60

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Solution

The fourth proportional to 58,728,040.80, 87,917,878.80 and 43,648,821.60 is: 65,343,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,728,040.80 : 87,917,878.80 = 43,648,821.60 : x
  2. Step 2: Convert to fraction form
    58,728,040.80/87,917,878.80 = 43,648,821.60/x
  3. Step 3: Cross multiply
    58,728,040.80x = 87,917,878.80 × 43,648,821.60
  4. Step 4: Simplify right side
    58,728,040.80x = 3,837,511,807,191,622
  5. Step 5: Solve for x
    x = 3,837,511,807,191,622/58,728,040.80
  6. Step 6: Final answer
    x = 65,343,773.69

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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.