Home / 281,799,010.70-422,698,516.05-178,486,880.30

Finding the Fourth Proportional to 281,799,010.70, 422,698,516.05 and 178,486,880.30

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Solution

The fourth proportional to 281,799,010.70, 422,698,516.05 and 178,486,880.30 is: 267,730,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,799,010.70 : 422,698,516.05 = 178,486,880.30 : x
  2. Step 2: Convert to fraction form
    281,799,010.70/422,698,516.05 = 178,486,880.30/x
  3. Step 3: Cross multiply
    281,799,010.70x = 422,698,516.05 × 178,486,880.30
  4. Step 4: Simplify right side
    281,799,010.70x = 75,446,139,437,203,984
  5. Step 5: Solve for x
    x = 75,446,139,437,203,984/281,799,010.70
  6. Step 6: Final answer
    x = 267,730,320.45

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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.