Home / 169,605,515.06-254,188,320.36-76,163,489.70

Finding the Fourth Proportional to 169,605,515.06, 254,188,320.36 and 76,163,489.70

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Solution

The fourth proportional to 169,605,515.06, 254,188,320.36 and 76,163,489.70 is: 114,146,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,605,515.06 : 254,188,320.36 = 76,163,489.70 : x
  2. Step 2: Convert to fraction form
    169,605,515.06/254,188,320.36 = 76,163,489.70/x
  3. Step 3: Cross multiply
    169,605,515.06x = 254,188,320.36 × 76,163,489.70
  4. Step 4: Simplify right side
    169,605,515.06x = 19,359,869,519,599,164
  5. Step 5: Solve for x
    x = 19,359,869,519,599,164/169,605,515.06
  6. Step 6: Final answer
    x = 114,146,462.24

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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.