Home / 150,222,419.40-207,203,434.68-105,662,897.67

Finding the Fourth Proportional to 150,222,419.40, 207,203,434.68 and 105,662,897.67

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Solution

The fourth proportional to 150,222,419.40, 207,203,434.68 and 105,662,897.67 is: 145,741,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,222,419.40 : 207,203,434.68 = 105,662,897.67 : x
  2. Step 2: Convert to fraction form
    150,222,419.40/207,203,434.68 = 105,662,897.67/x
  3. Step 3: Cross multiply
    150,222,419.40x = 207,203,434.68 × 105,662,897.67
  4. Step 4: Simplify right side
    150,222,419.40x = 21,893,715,315,465,372
  5. Step 5: Solve for x
    x = 21,893,715,315,465,372/150,222,419.40
  6. Step 6: Final answer
    x = 145,741,996.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.