Home / 84,001,104.90-115,884,750.06-80,106,564.22

Finding the Fourth Proportional to 84,001,104.90, 115,884,750.06 and 80,106,564.22

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Solution

The fourth proportional to 84,001,104.90, 115,884,750.06 and 80,106,564.22 is: 110,511,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001,104.90 : 115,884,750.06 = 80,106,564.22 : x
  2. Step 2: Convert to fraction form
    84,001,104.90/115,884,750.06 = 80,106,564.22/x
  3. Step 3: Cross multiply
    84,001,104.90x = 115,884,750.06 × 80,106,564.22
  4. Step 4: Simplify right side
    84,001,104.90x = 9,283,129,172,510,328
  5. Step 5: Solve for x
    x = 9,283,129,172,510,328/84,001,104.90
  6. Step 6: Final answer
    x = 110,511,988.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.