Home / 70,970,540.80-106,467,490.32-21,785,159.20

Finding the Fourth Proportional to 70,970,540.80, 106,467,490.32 and 21,785,159.20

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Solution

The fourth proportional to 70,970,540.80, 106,467,490.32 and 21,785,159.20 is: 32,681,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,970,540.80 : 106,467,490.32 = 21,785,159.20 : x
  2. Step 2: Convert to fraction form
    70,970,540.80/106,467,490.32 = 21,785,159.20/x
  3. Step 3: Cross multiply
    70,970,540.80x = 106,467,490.32 × 21,785,159.20
  4. Step 4: Simplify right side
    70,970,540.80x = 2,319,411,226,245,658.50
  5. Step 5: Solve for x
    x = 2,319,411,226,245,658.50/70,970,540.80
  6. Step 6: Final answer
    x = 32,681,323.83

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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.