Home / 248,722,053.80-373,083,080.70-78,498,847.40

Finding the Fourth Proportional to 248,722,053.80, 373,083,080.70 and 78,498,847.40

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Solution

The fourth proportional to 248,722,053.80, 373,083,080.70 and 78,498,847.40 is: 117,748,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,722,053.80 : 373,083,080.70 = 78,498,847.40 : x
  2. Step 2: Convert to fraction form
    248,722,053.80/373,083,080.70 = 78,498,847.40/x
  3. Step 3: Cross multiply
    248,722,053.80x = 373,083,080.70 × 78,498,847.40
  4. Step 4: Simplify right side
    248,722,053.80x = 29,286,591,819,391,188
  5. Step 5: Solve for x
    x = 29,286,591,819,391,188/248,722,053.80
  6. Step 6: Final answer
    x = 117,748,271.10

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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.