Home / 85,901,984.49-118,664,303.06-82,712,849.44

Finding the Fourth Proportional to 85,901,984.49, 118,664,303.06 and 82,712,849.44

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Solution

The fourth proportional to 85,901,984.49, 118,664,303.06 and 82,712,849.44 is: 114,258,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,901,984.49 : 118,664,303.06 = 82,712,849.44 : x
  2. Step 2: Convert to fraction form
    85,901,984.49/118,664,303.06 = 82,712,849.44/x
  3. Step 3: Cross multiply
    85,901,984.49x = 118,664,303.06 × 82,712,849.44
  4. Step 4: Simplify right side
    85,901,984.49x = 9,815,062,632,904,312
  5. Step 5: Solve for x
    x = 9,815,062,632,904,312/85,901,984.49
  6. Step 6: Final answer
    x = 114,258,857.83

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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.