Home / 122,735,598.50-169,378,716.75-66,984,594.70

Finding the Fourth Proportional to 122,735,598.50, 169,378,716.75 and 66,984,594.70

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Solution

The fourth proportional to 122,735,598.50, 169,378,716.75 and 66,984,594.70 is: 92,440,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,735,598.50 : 169,378,716.75 = 66,984,594.70 : x
  2. Step 2: Convert to fraction form
    122,735,598.50/169,378,716.75 = 66,984,594.70/x
  3. Step 3: Cross multiply
    122,735,598.50x = 169,378,716.75 × 66,984,594.70
  4. Step 4: Simplify right side
    122,735,598.50x = 11,345,764,691,881,404
  5. Step 5: Solve for x
    x = 11,345,764,691,881,404/122,735,598.50
  6. Step 6: Final answer
    x = 92,440,700.42

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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.