Home / 78,972,026.22-118,433,902.95-27,842,087.61

Finding the Fourth Proportional to 78,972,026.22, 118,433,902.95 and 27,842,087.61

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Solution

The fourth proportional to 78,972,026.22, 118,433,902.95 and 27,842,087.61 is: 41,754,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,972,026.22 : 118,433,902.95 = 27,842,087.61 : x
  2. Step 2: Convert to fraction form
    78,972,026.22/118,433,902.95 = 27,842,087.61/x
  3. Step 3: Cross multiply
    78,972,026.22x = 118,433,902.95 × 27,842,087.61
  4. Step 4: Simplify right side
    78,972,026.22x = 3,297,447,101,928,137.50
  5. Step 5: Solve for x
    x = 3,297,447,101,928,137.50/78,972,026.22
  6. Step 6: Final answer
    x = 41,754,621.98

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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.