Home / 68,457,146.46-94,460,413.54-38,676,928.40

Finding the Fourth Proportional to 68,457,146.46, 94,460,413.54 and 38,676,928.40

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Solution

The fourth proportional to 68,457,146.46, 94,460,413.54 and 38,676,928.40 is: 53,368,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,457,146.46 : 94,460,413.54 = 38,676,928.40 : x
  2. Step 2: Convert to fraction form
    68,457,146.46/94,460,413.54 = 38,676,928.40/x
  3. Step 3: Cross multiply
    68,457,146.46x = 94,460,413.54 × 38,676,928.40
  4. Step 4: Simplify right side
    68,457,146.46x = 3,653,438,651,120,970.50
  5. Step 5: Solve for x
    x = 3,653,438,651,120,970.50/68,457,146.46
  6. Step 6: Final answer
    x = 53,368,257.95

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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.