Home / 55,329,964.70-83,045,138.70-28,055,231.60

Finding the Fourth Proportional to 55,329,964.70, 83,045,138.70 and 28,055,231.60

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Solution

The fourth proportional to 55,329,964.70, 83,045,138.70 and 28,055,231.60 is: 42,108,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,329,964.70 : 83,045,138.70 = 28,055,231.60 : x
  2. Step 2: Convert to fraction form
    55,329,964.70/83,045,138.70 = 28,055,231.60/x
  3. Step 3: Cross multiply
    55,329,964.70x = 83,045,138.70 × 28,055,231.60
  4. Step 4: Simplify right side
    55,329,964.70x = 2,329,850,599,482,623
  5. Step 5: Solve for x
    x = 2,329,850,599,482,623/55,329,964.70
  6. Step 6: Final answer
    x = 42,108,297.23

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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.