Home / 56,776,008.30-85,164,012.45-20,401,824.30

Finding the Fourth Proportional to 56,776,008.30, 85,164,012.45 and 20,401,824.30

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Solution

The fourth proportional to 56,776,008.30, 85,164,012.45 and 20,401,824.30 is: 30,602,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,776,008.30 : 85,164,012.45 = 20,401,824.30 : x
  2. Step 2: Convert to fraction form
    56,776,008.30/85,164,012.45 = 20,401,824.30/x
  3. Step 3: Cross multiply
    56,776,008.30x = 85,164,012.45 × 20,401,824.30
  4. Step 4: Simplify right side
    56,776,008.30x = 1,737,501,218,687,912.75
  5. Step 5: Solve for x
    x = 1,737,501,218,687,912.75/56,776,008.30
  6. Step 6: Final answer
    x = 30,602,736.45

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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.