Home / 196,397,345.48-294,576,889.59-79,819,691.18

Finding the Fourth Proportional to 196,397,345.48, 294,576,889.59 and 79,819,691.18

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Solution

The fourth proportional to 196,397,345.48, 294,576,889.59 and 79,819,691.18 is: 119,721,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,397,345.48 : 294,576,889.59 = 79,819,691.18 : x
  2. Step 2: Convert to fraction form
    196,397,345.48/294,576,889.59 = 79,819,691.18/x
  3. Step 3: Cross multiply
    196,397,345.48x = 294,576,889.59 × 79,819,691.18
  4. Step 4: Simplify right side
    196,397,345.48x = 23,513,036,355,838,756
  5. Step 5: Solve for x
    x = 23,513,036,355,838,756/196,397,345.48
  6. Step 6: Final answer
    x = 119,721,762.52

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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.