Home / 68,760,078.40-103,104,688.20-25,607,069.20

Finding the Fourth Proportional to 68,760,078.40, 103,104,688.20 and 25,607,069.20

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Solution

The fourth proportional to 68,760,078.40, 103,104,688.20 and 25,607,069.20 is: 38,397,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,760,078.40 : 103,104,688.20 = 25,607,069.20 : x
  2. Step 2: Convert to fraction form
    68,760,078.40/103,104,688.20 = 25,607,069.20/x
  3. Step 3: Cross multiply
    68,760,078.40x = 103,104,688.20 × 25,607,069.20
  4. Step 4: Simplify right side
    68,760,078.40x = 2,640,208,885,581,823.50
  5. Step 5: Solve for x
    x = 2,640,208,885,581,823.50/68,760,078.40
  6. Step 6: Final answer
    x = 38,397,409.47

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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.