Home / 139,782,130.16-192,899,924.22-77,056,851.50

Finding the Fourth Proportional to 139,782,130.16, 192,899,924.22 and 77,056,851.50

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Solution

The fourth proportional to 139,782,130.16, 192,899,924.22 and 77,056,851.50 is: 106,338,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,782,130.16 : 192,899,924.22 = 77,056,851.50 : x
  2. Step 2: Convert to fraction form
    139,782,130.16/192,899,924.22 = 77,056,851.50/x
  3. Step 3: Cross multiply
    139,782,130.16x = 192,899,924.22 × 77,056,851.50
  4. Step 4: Simplify right side
    139,782,130.16x = 14,864,260,814,981,794
  5. Step 5: Solve for x
    x = 14,864,260,814,981,794/139,782,130.16
  6. Step 6: Final answer
    x = 106,338,777.34

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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.