Home / 65,367,861.40-97,874,844.90-51,212,085.40

Finding the Fourth Proportional to 65,367,861.40, 97,874,844.90 and 51,212,085.40

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Solution

The fourth proportional to 65,367,861.40, 97,874,844.90 and 51,212,085.40 is: 76,679,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367,861.40 : 97,874,844.90 = 51,212,085.40 : x
  2. Step 2: Convert to fraction form
    65,367,861.40/97,874,844.90 = 51,212,085.40/x
  3. Step 3: Cross multiply
    65,367,861.40x = 97,874,844.90 × 51,212,085.40
  4. Step 4: Simplify right side
    65,367,861.40x = 5,012,374,915,530,555
  5. Step 5: Solve for x
    x = 5,012,374,915,530,555/65,367,861.40
  6. Step 6: Final answer
    x = 76,679,499.81

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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.