Home / 48,388,640.80-72,616,138.80-21,481,607.20

Finding the Fourth Proportional to 48,388,640.80, 72,616,138.80 and 21,481,607.20

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Solution

The fourth proportional to 48,388,640.80, 72,616,138.80 and 21,481,607.20 is: 32,237,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,640.80 : 72,616,138.80 = 21,481,607.20 : x
  2. Step 2: Convert to fraction form
    48,388,640.80/72,616,138.80 = 21,481,607.20/x
  3. Step 3: Cross multiply
    48,388,640.80x = 72,616,138.80 × 21,481,607.20
  4. Step 4: Simplify right side
    48,388,640.80x = 1,559,911,370,082,279.25
  5. Step 5: Solve for x
    x = 1,559,911,370,082,279.25/48,388,640.80
  6. Step 6: Final answer
    x = 32,237,139.63

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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.