Home / 55,088,123.82-82,536,424.26-38,658,563.34

Finding the Fourth Proportional to 55,088,123.82, 82,536,424.26 and 38,658,563.34

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Solution

The fourth proportional to 55,088,123.82, 82,536,424.26 and 38,658,563.34 is: 57,920,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088,123.82 : 82,536,424.26 = 38,658,563.34 : x
  2. Step 2: Convert to fraction form
    55,088,123.82/82,536,424.26 = 38,658,563.34/x
  3. Step 3: Cross multiply
    55,088,123.82x = 82,536,424.26 × 38,658,563.34
  4. Step 4: Simplify right side
    55,088,123.82x = 3,190,739,585,112,323
  5. Step 5: Solve for x
    x = 3,190,739,585,112,323/55,088,123.82
  6. Step 6: Final answer
    x = 57,920,643.58

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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.