Home / 129,114,215.28-193,556,654.91-50,312,477.34

Finding the Fourth Proportional to 129,114,215.28, 193,556,654.91 and 50,312,477.34

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Solution

The fourth proportional to 129,114,215.28, 193,556,654.91 and 50,312,477.34 is: 75,424,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,114,215.28 : 193,556,654.91 = 50,312,477.34 : x
  2. Step 2: Convert to fraction form
    129,114,215.28/193,556,654.91 = 50,312,477.34/x
  3. Step 3: Cross multiply
    129,114,215.28x = 193,556,654.91 × 50,312,477.34
  4. Step 4: Simplify right side
    129,114,215.28x = 9,738,314,814,165,576
  5. Step 5: Solve for x
    x = 9,738,314,814,165,576/129,114,215.28
  6. Step 6: Final answer
    x = 75,424,032.85

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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.