Home / 70,758,940.12-106,139,004.54-19,644,944.92

Finding the Fourth Proportional to 70,758,940.12, 106,139,004.54 and 19,644,944.92

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Solution

The fourth proportional to 70,758,940.12, 106,139,004.54 and 19,644,944.92 is: 29,467,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,758,940.12 : 106,139,004.54 = 19,644,944.92 : x
  2. Step 2: Convert to fraction form
    70,758,940.12/106,139,004.54 = 19,644,944.92/x
  3. Step 3: Cross multiply
    70,758,940.12x = 106,139,004.54 × 19,644,944.92
  4. Step 4: Simplify right side
    70,758,940.12x = 2,085,094,898,051,930.25
  5. Step 5: Solve for x
    x = 2,085,094,898,051,930.25/70,758,940.12
  6. Step 6: Final answer
    x = 29,467,582.39

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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.