Home / 66,915,024.64-100,378,524.48-25,973,503.36

Finding the Fourth Proportional to 66,915,024.64, 100,378,524.48 and 25,973,503.36

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Solution

The fourth proportional to 66,915,024.64, 100,378,524.48 and 25,973,503.36 is: 38,962,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,915,024.64 : 100,378,524.48 = 25,973,503.36 : x
  2. Step 2: Convert to fraction form
    66,915,024.64/100,378,524.48 = 25,973,503.36/x
  3. Step 3: Cross multiply
    66,915,024.64x = 100,378,524.48 × 25,973,503.36
  4. Step 4: Simplify right side
    66,915,024.64x = 2,607,181,942,853,122.50
  5. Step 5: Solve for x
    x = 2,607,181,942,853,122.50/66,915,024.64
  6. Step 6: Final answer
    x = 38,962,579.13

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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.