Home / 150,764,159.70-208,059,592.44-83,785,940.36

Finding the Fourth Proportional to 150,764,159.70, 208,059,592.44 and 83,785,940.36

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Solution

The fourth proportional to 150,764,159.70, 208,059,592.44 and 83,785,940.36 is: 115,627,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,764,159.70 : 208,059,592.44 = 83,785,940.36 : x
  2. Step 2: Convert to fraction form
    150,764,159.70/208,059,592.44 = 83,785,940.36/x
  3. Step 3: Cross multiply
    150,764,159.70x = 208,059,592.44 × 83,785,940.36
  4. Step 4: Simplify right side
    150,764,159.70x = 17,432,468,603,503,746
  5. Step 5: Solve for x
    x = 17,432,468,603,503,746/150,764,159.70
  6. Step 6: Final answer
    x = 115,627,405.33

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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.