Home / 68,305,386.60-102,293,878.86-39,070,620.36

Finding the Fourth Proportional to 68,305,386.60, 102,293,878.86 and 39,070,620.36

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Solution

The fourth proportional to 68,305,386.60, 102,293,878.86 and 39,070,620.36 is: 58,512,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,305,386.60 : 102,293,878.86 = 39,070,620.36 : x
  2. Step 2: Convert to fraction form
    68,305,386.60/102,293,878.86 = 39,070,620.36/x
  3. Step 3: Cross multiply
    68,305,386.60x = 102,293,878.86 × 39,070,620.36
  4. Step 4: Simplify right side
    68,305,386.60x = 3,996,685,306,090,889.50
  5. Step 5: Solve for x
    x = 3,996,685,306,090,889.50/68,305,386.60
  6. Step 6: Final answer
    x = 58,512,007.69

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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.