Home / 30,377,252.80-45,565,879.20-9,102,116.80

Finding the Fourth Proportional to 30,377,252.80, 45,565,879.20 and 9,102,116.80

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Solution

The fourth proportional to 30,377,252.80, 45,565,879.20 and 9,102,116.80 is: 13,653,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377,252.80 : 45,565,879.20 = 9,102,116.80 : x
  2. Step 2: Convert to fraction form
    30,377,252.80/45,565,879.20 = 9,102,116.80/x
  3. Step 3: Cross multiply
    30,377,252.80x = 45,565,879.20 × 9,102,116.80
  4. Step 4: Simplify right side
    30,377,252.80x = 414,745,954,573,090.62
  5. Step 5: Solve for x
    x = 414,745,954,573,090.62/30,377,252.80
  6. Step 6: Final answer
    x = 13,653,175.20

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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.