Home / 66,561,918.60-99,795,638.70-25,605,532.20

Finding the Fourth Proportional to 66,561,918.60, 99,795,638.70 and 25,605,532.20

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Solution

The fourth proportional to 66,561,918.60, 99,795,638.70 and 25,605,532.20 is: 38,390,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561,918.60 : 99,795,638.70 = 25,605,532.20 : x
  2. Step 2: Convert to fraction form
    66,561,918.60/99,795,638.70 = 25,605,532.20/x
  3. Step 3: Cross multiply
    66,561,918.60x = 99,795,638.70 × 25,605,532.20
  4. Step 4: Simplify right side
    66,561,918.60x = 2,555,320,440,152,416
  5. Step 5: Solve for x
    x = 2,555,320,440,152,416/66,561,918.60
  6. Step 6: Final answer
    x = 38,390,125.97

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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.