Home / 61,188,705.40-91,570,481.70-56,086,871.80

Finding the Fourth Proportional to 61,188,705.40, 91,570,481.70 and 56,086,871.80

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Solution

The fourth proportional to 61,188,705.40, 91,570,481.70 and 56,086,871.80 is: 83,935,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,188,705.40 : 91,570,481.70 = 56,086,871.80 : x
  2. Step 2: Convert to fraction form
    61,188,705.40/91,570,481.70 = 56,086,871.80/x
  3. Step 3: Cross multiply
    61,188,705.40x = 91,570,481.70 × 56,086,871.80
  4. Step 4: Simplify right side
    61,188,705.40x = 5,135,901,867,772,146
  5. Step 5: Solve for x
    x = 5,135,901,867,772,146/61,188,705.40
  6. Step 6: Final answer
    x = 83,935,455.64

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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.