Home / 171,927,100.80-257,890,651.20-153,115,401.60

Finding the Fourth Proportional to 171,927,100.80, 257,890,651.20 and 153,115,401.60

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Solution

The fourth proportional to 171,927,100.80, 257,890,651.20 and 153,115,401.60 is: 229,673,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,927,100.80 : 257,890,651.20 = 153,115,401.60 : x
  2. Step 2: Convert to fraction form
    171,927,100.80/257,890,651.20 = 153,115,401.60/x
  3. Step 3: Cross multiply
    171,927,100.80x = 257,890,651.20 × 153,115,401.60
  4. Step 4: Simplify right side
    171,927,100.80x = 39,487,030,627,373,520
  5. Step 5: Solve for x
    x = 39,487,030,627,373,520/171,927,100.80
  6. Step 6: Final answer
    x = 229,673,102.40

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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.