Home / 129,482,078.94-178,683,183.60-70,743,482.82

Finding the Fourth Proportional to 129,482,078.94, 178,683,183.60 and 70,743,482.82

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Solution

The fourth proportional to 129,482,078.94, 178,683,183.60 and 70,743,482.82 is: 97,624,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,482,078.94 : 178,683,183.60 = 70,743,482.82 : x
  2. Step 2: Convert to fraction form
    129,482,078.94/178,683,183.60 = 70,743,482.82/x
  3. Step 3: Cross multiply
    129,482,078.94x = 178,683,183.60 × 70,743,482.82
  4. Step 4: Simplify right side
    129,482,078.94x = 12,640,670,729,229,504
  5. Step 5: Solve for x
    x = 12,640,670,729,229,504/129,482,078.94
  6. Step 6: Final answer
    x = 97,624,866.95

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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.