Home / 69,571,859.80-104,357,789.70-63,619,720.60

Finding the Fourth Proportional to 69,571,859.80, 104,357,789.70 and 63,619,720.60

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Solution

The fourth proportional to 69,571,859.80, 104,357,789.70 and 63,619,720.60 is: 95,429,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,571,859.80 : 104,357,789.70 = 63,619,720.60 : x
  2. Step 2: Convert to fraction form
    69,571,859.80/104,357,789.70 = 63,619,720.60/x
  3. Step 3: Cross multiply
    69,571,859.80x = 104,357,789.70 × 63,619,720.60
  4. Step 4: Simplify right side
    69,571,859.80x = 6,639,213,423,147,558
  5. Step 5: Solve for x
    x = 6,639,213,423,147,558/69,571,859.80
  6. Step 6: Final answer
    x = 95,429,580.90

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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.