Home / 51,750,487.68-77,602,996.80-19,379,686.56

Finding the Fourth Proportional to 51,750,487.68, 77,602,996.80 and 19,379,686.56

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Solution

The fourth proportional to 51,750,487.68, 77,602,996.80 and 19,379,686.56 is: 29,061,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,750,487.68 : 77,602,996.80 = 19,379,686.56 : x
  2. Step 2: Convert to fraction form
    51,750,487.68/77,602,996.80 = 19,379,686.56/x
  3. Step 3: Cross multiply
    51,750,487.68x = 77,602,996.80 × 19,379,686.56
  4. Step 4: Simplify right side
    51,750,487.68x = 1,503,921,754,100,682.75
  5. Step 5: Solve for x
    x = 1,503,921,754,100,682.75/51,750,487.68
  6. Step 6: Final answer
    x = 29,061,016.07

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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.