Home / 132,868,430.10-199,515,221.55-100,556,817.30

Finding the Fourth Proportional to 132,868,430.10, 199,515,221.55 and 100,556,817.30

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Solution

The fourth proportional to 132,868,430.10, 199,515,221.55 and 100,556,817.30 is: 150,996,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,430.10 : 199,515,221.55 = 100,556,817.30 : x
  2. Step 2: Convert to fraction form
    132,868,430.10/199,515,221.55 = 100,556,817.30/x
  3. Step 3: Cross multiply
    132,868,430.10x = 199,515,221.55 × 100,556,817.30
  4. Step 4: Simplify right side
    132,868,430.10x = 20,062,615,681,972,372
  5. Step 5: Solve for x
    x = 20,062,615,681,972,372/132,868,430.10
  6. Step 6: Final answer
    x = 150,996,106.95

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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.