Home / 111,987,809.40-167,981,714.10-31,208,777.40

Finding the Fourth Proportional to 111,987,809.40, 167,981,714.10 and 31,208,777.40

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Solution

The fourth proportional to 111,987,809.40, 167,981,714.10 and 31,208,777.40 is: 46,813,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,987,809.40 : 167,981,714.10 = 31,208,777.40 : x
  2. Step 2: Convert to fraction form
    111,987,809.40/167,981,714.10 = 31,208,777.40/x
  3. Step 3: Cross multiply
    111,987,809.40x = 167,981,714.10 × 31,208,777.40
  4. Step 4: Simplify right side
    111,987,809.40x = 5,242,503,922,617,341
  5. Step 5: Solve for x
    x = 5,242,503,922,617,341/111,987,809.40
  6. Step 6: Final answer
    x = 46,813,166.10

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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.