Home / 67,670,963.10-93,383,512.64-38,301,664.92

Finding the Fourth Proportional to 67,670,963.10, 93,383,512.64 and 38,301,664.92

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Solution

The fourth proportional to 67,670,963.10, 93,383,512.64 and 38,301,664.92 is: 52,854,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,670,963.10 : 93,383,512.64 = 38,301,664.92 : x
  2. Step 2: Convert to fraction form
    67,670,963.10/93,383,512.64 = 38,301,664.92/x
  3. Step 3: Cross multiply
    67,670,963.10x = 93,383,512.64 × 38,301,664.92
  4. Step 4: Simplify right side
    67,670,963.10x = 3,576,744,009,998,356.50
  5. Step 5: Solve for x
    x = 3,576,744,009,998,356.50/67,670,963.10
  6. Step 6: Final answer
    x = 52,854,929.89

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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.