Home / 146,821,148.64-202,618,384.56-80,746,761.06

Finding the Fourth Proportional to 146,821,148.64, 202,618,384.56 and 80,746,761.06

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Solution

The fourth proportional to 146,821,148.64, 202,618,384.56 and 80,746,761.06 is: 111,433,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,821,148.64 : 202,618,384.56 = 80,746,761.06 : x
  2. Step 2: Convert to fraction form
    146,821,148.64/202,618,384.56 = 80,746,761.06/x
  3. Step 3: Cross multiply
    146,821,148.64x = 202,618,384.56 × 80,746,761.06
  4. Step 4: Simplify right side
    146,821,148.64x = 16,360,778,284,429,514
  5. Step 5: Solve for x
    x = 16,360,778,284,429,514/146,821,148.64
  6. Step 6: Final answer
    x = 111,433,389.78

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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.