Home / 68,947,539.53-103,538,454.12-46,065,516.21

Finding the Fourth Proportional to 68,947,539.53, 103,538,454.12 and 46,065,516.21

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Solution

The fourth proportional to 68,947,539.53, 103,538,454.12 and 46,065,516.21 is: 69,176,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947,539.53 : 103,538,454.12 = 46,065,516.21 : x
  2. Step 2: Convert to fraction form
    68,947,539.53/103,538,454.12 = 46,065,516.21/x
  3. Step 3: Cross multiply
    68,947,539.53x = 103,538,454.12 × 46,065,516.21
  4. Step 4: Simplify right side
    68,947,539.53x = 4,769,552,336,623,202
  5. Step 5: Solve for x
    x = 4,769,552,336,623,202/68,947,539.53
  6. Step 6: Final answer
    x = 69,176,541.61

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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.