Home / 118,696,847.80-178,045,271.70-88,085,846.20

Finding the Fourth Proportional to 118,696,847.80, 178,045,271.70 and 88,085,846.20

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Solution

The fourth proportional to 118,696,847.80, 178,045,271.70 and 88,085,846.20 is: 132,128,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,696,847.80 : 178,045,271.70 = 88,085,846.20 : x
  2. Step 2: Convert to fraction form
    118,696,847.80/178,045,271.70 = 88,085,846.20/x
  3. Step 3: Cross multiply
    118,696,847.80x = 178,045,271.70 × 88,085,846.20
  4. Step 4: Simplify right side
    118,696,847.80x = 15,683,268,419,603,412
  5. Step 5: Solve for x
    x = 15,683,268,419,603,412/118,696,847.80
  6. Step 6: Final answer
    x = 132,128,769.30

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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.