Home / 139,152,884.37-192,031,324.66-77,273,221.11

Finding the Fourth Proportional to 139,152,884.37, 192,031,324.66 and 77,273,221.11

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Solution

The fourth proportional to 139,152,884.37, 192,031,324.66 and 77,273,221.11 is: 106,637,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,152,884.37 : 192,031,324.66 = 77,273,221.11 : x
  2. Step 2: Convert to fraction form
    139,152,884.37/192,031,324.66 = 77,273,221.11/x
  3. Step 3: Cross multiply
    139,152,884.37x = 192,031,324.66 × 77,273,221.11
  4. Step 4: Simplify right side
    139,152,884.37x = 14,838,879,010,498,376
  5. Step 5: Solve for x
    x = 14,838,879,010,498,376/139,152,884.37
  6. Step 6: Final answer
    x = 106,637,236.29

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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.