Home / 51,680,142.81-71,296,187.63-30,760,445.34

Finding the Fourth Proportional to 51,680,142.81, 71,296,187.63 and 30,760,445.34

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Solution

The fourth proportional to 51,680,142.81, 71,296,187.63 and 30,760,445.34 is: 42,436,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680,142.81 : 71,296,187.63 = 30,760,445.34 : x
  2. Step 2: Convert to fraction form
    51,680,142.81/71,296,187.63 = 30,760,445.34/x
  3. Step 3: Cross multiply
    51,680,142.81x = 71,296,187.63 × 30,760,445.34
  4. Step 4: Simplify right side
    51,680,142.81x = 2,193,102,482,619,900
  5. Step 5: Solve for x
    x = 2,193,102,482,619,900/51,680,142.81
  6. Step 6: Final answer
    x = 42,436,076.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.