Home / 196,587,599.70-294,857,779.95-81,560,147.70

Finding the Fourth Proportional to 196,587,599.70, 294,857,779.95 and 81,560,147.70

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Solution

The fourth proportional to 196,587,599.70, 294,857,779.95 and 81,560,147.70 is: 122,330,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,587,599.70 : 294,857,779.95 = 81,560,147.70 : x
  2. Step 2: Convert to fraction form
    196,587,599.70/294,857,779.95 = 81,560,147.70/x
  3. Step 3: Cross multiply
    196,587,599.70x = 294,857,779.95 × 81,560,147.70
  4. Step 4: Simplify right side
    196,587,599.70x = 24,048,644,083,216,100
  5. Step 5: Solve for x
    x = 24,048,644,083,216,100/196,587,599.70
  6. Step 6: Final answer
    x = 122,330,422.26

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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.