Home / 129,981,328.65-179,393,485.50-82,301,014.85

Finding the Fourth Proportional to 129,981,328.65, 179,393,485.50 and 82,301,014.85

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Solution

The fourth proportional to 129,981,328.65, 179,393,485.50 and 82,301,014.85 is: 113,587,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,981,328.65 : 179,393,485.50 = 82,301,014.85 : x
  2. Step 2: Convert to fraction form
    129,981,328.65/179,393,485.50 = 82,301,014.85/x
  3. Step 3: Cross multiply
    129,981,328.65x = 179,393,485.50 × 82,301,014.85
  4. Step 4: Simplify right side
    129,981,328.65x = 14,764,265,913,231,792
  5. Step 5: Solve for x
    x = 14,764,265,913,231,792/129,981,328.65
  6. Step 6: Final answer
    x = 113,587,590.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.