Home / 48,393,640.80-72,590,461.20-21,519,784.80

Finding the Fourth Proportional to 48,393,640.80, 72,590,461.20 and 21,519,784.80

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Solution

The fourth proportional to 48,393,640.80, 72,590,461.20 and 21,519,784.80 is: 32,279,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,393,640.80 : 72,590,461.20 = 21,519,784.80 : x
  2. Step 2: Convert to fraction form
    48,393,640.80/72,590,461.20 = 21,519,784.80/x
  3. Step 3: Cross multiply
    48,393,640.80x = 72,590,461.20 × 21,519,784.80
  4. Step 4: Simplify right side
    48,393,640.80x = 1,562,131,103,556,750
  5. Step 5: Solve for x
    x = 1,562,131,103,556,750/48,393,640.80
  6. Step 6: Final answer
    x = 32,279,677.20

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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.