Home / 412,079,877.60-618,119,816.40-124,828,216.80

Finding the Fourth Proportional to 412,079,877.60, 618,119,816.40 and 124,828,216.80

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Solution

The fourth proportional to 412,079,877.60, 618,119,816.40 and 124,828,216.80 is: 187,242,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,079,877.60 : 618,119,816.40 = 124,828,216.80 : x
  2. Step 2: Convert to fraction form
    412,079,877.60/618,119,816.40 = 124,828,216.80/x
  3. Step 3: Cross multiply
    412,079,877.60x = 618,119,816.40 × 124,828,216.80
  4. Step 4: Simplify right side
    412,079,877.60x = 77,158,794,449,955,392
  5. Step 5: Solve for x
    x = 77,158,794,449,955,392/412,079,877.60
  6. Step 6: Final answer
    x = 187,242,325.20

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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.