Home / 110,649,419.20-165,974,128.80-103,091,147.20

Finding the Fourth Proportional to 110,649,419.20, 165,974,128.80 and 103,091,147.20

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Solution

The fourth proportional to 110,649,419.20, 165,974,128.80 and 103,091,147.20 is: 154,636,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,649,419.20 : 165,974,128.80 = 103,091,147.20 : x
  2. Step 2: Convert to fraction form
    110,649,419.20/165,974,128.80 = 103,091,147.20/x
  3. Step 3: Cross multiply
    110,649,419.20x = 165,974,128.80 × 103,091,147.20
  4. Step 4: Simplify right side
    110,649,419.20x = 17,110,463,343,512,562
  5. Step 5: Solve for x
    x = 17,110,463,343,512,562/110,649,419.20
  6. Step 6: Final answer
    x = 154,636,720.80

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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.