Home / 38,880,080.70-58,320,121.05-31,699,722.30

Finding the Fourth Proportional to 38,880,080.70, 58,320,121.05 and 31,699,722.30

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Solution

The fourth proportional to 38,880,080.70, 58,320,121.05 and 31,699,722.30 is: 47,549,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880,080.70 : 58,320,121.05 = 31,699,722.30 : x
  2. Step 2: Convert to fraction form
    38,880,080.70/58,320,121.05 = 31,699,722.30/x
  3. Step 3: Cross multiply
    38,880,080.70x = 58,320,121.05 × 31,699,722.30
  4. Step 4: Simplify right side
    38,880,080.70x = 1,848,731,641,787,384.25
  5. Step 5: Solve for x
    x = 1,848,731,641,787,384.25/38,880,080.70
  6. Step 6: Final answer
    x = 47,549,583.45

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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.