Home / 331,388,315.74-497,133,549.55-112,987,581.87

Finding the Fourth Proportional to 331,388,315.74, 497,133,549.55 and 112,987,581.87

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Solution

The fourth proportional to 331,388,315.74, 497,133,549.55 and 112,987,581.87 is: 169,498,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,388,315.74 : 497,133,549.55 = 112,987,581.87 : x
  2. Step 2: Convert to fraction form
    331,388,315.74/497,133,549.55 = 112,987,581.87/x
  3. Step 3: Cross multiply
    331,388,315.74x = 497,133,549.55 × 112,987,581.87
  4. Step 4: Simplify right side
    331,388,315.74x = 56,169,917,630,104,328
  5. Step 5: Solve for x
    x = 56,169,917,630,104,328/331,388,315.74
  6. Step 6: Final answer
    x = 169,498,787.26

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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.