Home / 48,389,997.80-72,597,827.10-21,084,573.80

Finding the Fourth Proportional to 48,389,997.80, 72,597,827.10 and 21,084,573.80

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Solution

The fourth proportional to 48,389,997.80, 72,597,827.10 and 21,084,573.80 is: 31,632,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389,997.80 : 72,597,827.10 = 21,084,573.80 : x
  2. Step 2: Convert to fraction form
    48,389,997.80/72,597,827.10 = 21,084,573.80/x
  3. Step 3: Cross multiply
    48,389,997.80x = 72,597,827.10 × 21,084,573.80
  4. Step 4: Simplify right side
    48,389,997.80x = 1,530,694,243,209,590
  5. Step 5: Solve for x
    x = 1,530,694,243,209,590/48,389,997.80
  6. Step 6: Final answer
    x = 31,632,451.18

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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.