Home / 311,202,391.48-429,460,639.23-170,076,506.20

Finding the Fourth Proportional to 311,202,391.48, 429,460,639.23 and 170,076,506.20

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Solution

The fourth proportional to 311,202,391.48, 429,460,639.23 and 170,076,506.20 is: 234,706,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,202,391.48 : 429,460,639.23 = 170,076,506.20 : x
  2. Step 2: Convert to fraction form
    311,202,391.48/429,460,639.23 = 170,076,506.20/x
  3. Step 3: Cross multiply
    311,202,391.48x = 429,460,639.23 × 170,076,506.20
  4. Step 4: Simplify right side
    311,202,391.48x = 73,041,165,070,657,056
  5. Step 5: Solve for x
    x = 73,041,165,070,657,056/311,202,391.48
  6. Step 6: Final answer
    x = 234,706,310.33

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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.