Home / 71,104,833.67-106,657,250.53-19,986,852.48

Finding the Fourth Proportional to 71,104,833.67, 106,657,250.53 and 19,986,852.48

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Solution

The fourth proportional to 71,104,833.67, 106,657,250.53 and 19,986,852.48 is: 29,980,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,104,833.67 : 106,657,250.53 = 19,986,852.48 : x
  2. Step 2: Convert to fraction form
    71,104,833.67/106,657,250.53 = 19,986,852.48/x
  3. Step 3: Cross multiply
    71,104,833.67x = 106,657,250.53 × 19,986,852.48
  4. Step 4: Simplify right side
    71,104,833.67x = 2,131,742,732,453,102
  5. Step 5: Solve for x
    x = 2,131,742,732,453,102/71,104,833.67
  6. Step 6: Final answer
    x = 29,980,278.73

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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.