Home / 412,080,004.60-618,120,006.90-124,828,343.80

Finding the Fourth Proportional to 412,080,004.60, 618,120,006.90 and 124,828,343.80

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Solution

The fourth proportional to 412,080,004.60, 618,120,006.90 and 124,828,343.80 is: 187,242,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,080,004.60 : 618,120,006.90 = 124,828,343.80 : x
  2. Step 2: Convert to fraction form
    412,080,004.60/618,120,006.90 = 124,828,343.80/x
  3. Step 3: Cross multiply
    412,080,004.60x = 618,120,006.90 × 124,828,343.80
  4. Step 4: Simplify right side
    412,080,004.60x = 77,158,896,730,971,568
  5. Step 5: Solve for x
    x = 77,158,896,730,971,568/412,080,004.60
  6. Step 6: Final answer
    x = 187,242,515.70

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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.