Home / 412,080,015.60-618,120,023.40-124,828,354.80

Finding the Fourth Proportional to 412,080,015.60, 618,120,023.40 and 124,828,354.80

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Solution

The fourth proportional to 412,080,015.60, 618,120,023.40 and 124,828,354.80 is: 187,242,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,080,015.60 : 618,120,023.40 = 124,828,354.80 : x
  2. Step 2: Convert to fraction form
    412,080,015.60/618,120,023.40 = 124,828,354.80/x
  3. Step 3: Cross multiply
    412,080,015.60x = 618,120,023.40 × 124,828,354.80
  4. Step 4: Simplify right side
    412,080,015.60x = 77,158,905,589,959,504
  5. Step 5: Solve for x
    x = 77,158,905,589,959,504/412,080,015.60
  6. Step 6: Final answer
    x = 187,242,532.20

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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.