Home / 109,226,129.54-150,736,640.38-62,816,420.57

Finding the Fourth Proportional to 109,226,129.54, 150,736,640.38 and 62,816,420.57

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Solution

The fourth proportional to 109,226,129.54, 150,736,640.38 and 62,816,420.57 is: 86,689,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,226,129.54 : 150,736,640.38 = 62,816,420.57 : x
  2. Step 2: Convert to fraction form
    109,226,129.54/150,736,640.38 = 62,816,420.57/x
  3. Step 3: Cross multiply
    109,226,129.54x = 150,736,640.38 × 62,816,420.57
  4. Step 4: Simplify right side
    109,226,129.54x = 9,468,736,196,508,200
  5. Step 5: Solve for x
    x = 9,468,736,196,508,200/109,226,129.54
  6. Step 6: Final answer
    x = 86,689,295.29

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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.