Home / 196,516,657.31-294,483,855.49-79,790,070.33

Finding the Fourth Proportional to 196,516,657.31, 294,483,855.49 and 79,790,070.33

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Solution

The fourth proportional to 196,516,657.31, 294,483,855.49 and 79,790,070.33 is: 119,566,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,516,657.31 : 294,483,855.49 = 79,790,070.33 : x
  2. Step 2: Convert to fraction form
    196,516,657.31/294,483,855.49 = 79,790,070.33/x
  3. Step 3: Cross multiply
    196,516,657.31x = 294,483,855.49 × 79,790,070.33
  4. Step 4: Simplify right side
    196,516,657.31x = 23,496,887,540,397,180
  5. Step 5: Solve for x
    x = 23,496,887,540,397,180/196,516,657.31
  6. Step 6: Final answer
    x = 119,566,900.14

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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.