Home / 72,150,590.16-108,243,821.97-21,033,058.32

Finding the Fourth Proportional to 72,150,590.16, 108,243,821.97 and 21,033,058.32

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Solution

The fourth proportional to 72,150,590.16, 108,243,821.97 and 21,033,058.32 is: 31,554,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,150,590.16 : 108,243,821.97 = 21,033,058.32 : x
  2. Step 2: Convert to fraction form
    72,150,590.16/108,243,821.97 = 21,033,058.32/x
  3. Step 3: Cross multiply
    72,150,590.16x = 108,243,821.97 × 21,033,058.32
  4. Step 4: Simplify right side
    72,150,590.16x = 2,276,698,620,274,707.50
  5. Step 5: Solve for x
    x = 2,276,698,620,274,707.50/72,150,590.16
  6. Step 6: Final answer
    x = 31,554,816.33

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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.