Home / 68,096,021.40-102,144,032.10-42,615,624.60

Finding the Fourth Proportional to 68,096,021.40, 102,144,032.10 and 42,615,624.60

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Solution

The fourth proportional to 68,096,021.40, 102,144,032.10 and 42,615,624.60 is: 63,923,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096,021.40 : 102,144,032.10 = 42,615,624.60 : x
  2. Step 2: Convert to fraction form
    68,096,021.40/102,144,032.10 = 42,615,624.60/x
  3. Step 3: Cross multiply
    68,096,021.40x = 102,144,032.10 × 42,615,624.60
  4. Step 4: Simplify right side
    68,096,021.40x = 4,352,931,727,103,949.50
  5. Step 5: Solve for x
    x = 4,352,931,727,103,949.50/68,096,021.40
  6. Step 6: Final answer
    x = 63,923,436.90

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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.