Home / 196,623,233.94-294,901,968-72,100,130.72

Finding the Fourth Proportional to 196,623,233.94, 294,901,968 and 72,100,130.72

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Solution

The fourth proportional to 196,623,233.94, 294,901,968 and 72,100,130.72 is: 108,138,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,623,233.94 : 294,901,968 = 72,100,130.72 : x
  2. Step 2: Convert to fraction form
    196,623,233.94/294,901,968 = 72,100,130.72/x
  3. Step 3: Cross multiply
    196,623,233.94x = 294,901,968 × 72,100,130.72
  4. Step 4: Simplify right side
    196,623,233.94x = 21,262,470,442,385,256
  5. Step 5: Solve for x
    x = 21,262,470,442,385,256/196,623,233.94
  6. Step 6: Final answer
    x = 108,138,138.19

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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.