Home / 331,776,021.80-497,664,032.70-101,743,279.40

Finding the Fourth Proportional to 331,776,021.80, 497,664,032.70 and 101,743,279.40

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Solution

The fourth proportional to 331,776,021.80, 497,664,032.70 and 101,743,279.40 is: 152,614,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,021.80 : 497,664,032.70 = 101,743,279.40 : x
  2. Step 2: Convert to fraction form
    331,776,021.80/497,664,032.70 = 101,743,279.40/x
  3. Step 3: Cross multiply
    331,776,021.80x = 497,664,032.70 × 101,743,279.40
  4. Step 4: Simplify right side
    331,776,021.80x = 50,633,970,726,326,840
  5. Step 5: Solve for x
    x = 50,633,970,726,326,840/331,776,021.80
  6. Step 6: Final answer
    x = 152,614,919.10

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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.