Home / 68,096,028.40-102,144,042.60-42,615,631.60

Finding the Fourth Proportional to 68,096,028.40, 102,144,042.60 and 42,615,631.60

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Solution

The fourth proportional to 68,096,028.40, 102,144,042.60 and 42,615,631.60 is: 63,923,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096,028.40 : 102,144,042.60 = 42,615,631.60 : x
  2. Step 2: Convert to fraction form
    68,096,028.40/102,144,042.60 = 42,615,631.60/x
  3. Step 3: Cross multiply
    68,096,028.40x = 102,144,042.60 × 42,615,631.60
  4. Step 4: Simplify right side
    68,096,028.40x = 4,352,932,889,576,306
  5. Step 5: Solve for x
    x = 4,352,932,889,576,306/68,096,028.40
  6. Step 6: Final answer
    x = 63,923,447.40

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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.