Home / 97,847,536.80-135,029,687.20-53,795,285.12

Finding the Fourth Proportional to 97,847,536.80, 135,029,687.20 and 53,795,285.12

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Solution

The fourth proportional to 97,847,536.80, 135,029,687.20 and 53,795,285.12 is: 74,237,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,847,536.80 : 135,029,687.20 = 53,795,285.12 : x
  2. Step 2: Convert to fraction form
    97,847,536.80/135,029,687.20 = 53,795,285.12/x
  3. Step 3: Cross multiply
    97,847,536.80x = 135,029,687.20 × 53,795,285.12
  4. Step 4: Simplify right side
    97,847,536.80x = 7,263,960,522,588,413
  5. Step 5: Solve for x
    x = 7,263,960,522,588,413/97,847,536.80
  6. Step 6: Final answer
    x = 74,237,540.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.