Home / 108,275,615.70-162,413,423.55-84,089,145.30

Finding the Fourth Proportional to 108,275,615.70, 162,413,423.55 and 84,089,145.30

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Solution

The fourth proportional to 108,275,615.70, 162,413,423.55 and 84,089,145.30 is: 126,133,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,275,615.70 : 162,413,423.55 = 84,089,145.30 : x
  2. Step 2: Convert to fraction form
    108,275,615.70/162,413,423.55 = 84,089,145.30/x
  3. Step 3: Cross multiply
    108,275,615.70x = 162,413,423.55 × 84,089,145.30
  4. Step 4: Simplify right side
    108,275,615.70x = 13,657,205,971,566,392
  5. Step 5: Solve for x
    x = 13,657,205,971,566,392/108,275,615.70
  6. Step 6: Final answer
    x = 126,133,717.95

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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.