Home / 84,818,419.80-127,227,629.70-30,292,573.20

Finding the Fourth Proportional to 84,818,419.80, 127,227,629.70 and 30,292,573.20

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Solution

The fourth proportional to 84,818,419.80, 127,227,629.70 and 30,292,573.20 is: 45,438,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,818,419.80 : 127,227,629.70 = 30,292,573.20 : x
  2. Step 2: Convert to fraction form
    84,818,419.80/127,227,629.70 = 30,292,573.20/x
  3. Step 3: Cross multiply
    84,818,419.80x = 127,227,629.70 × 30,292,573.20
  4. Step 4: Simplify right side
    84,818,419.80x = 3,854,052,285,749,744
  5. Step 5: Solve for x
    x = 3,854,052,285,749,744/84,818,419.80
  6. Step 6: Final answer
    x = 45,438,859.80

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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.