Home / 181,405,603.20-272,108,404.80-149,093,990.40

Finding the Fourth Proportional to 181,405,603.20, 272,108,404.80 and 149,093,990.40

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Solution

The fourth proportional to 181,405,603.20, 272,108,404.80 and 149,093,990.40 is: 223,640,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,405,603.20 : 272,108,404.80 = 149,093,990.40 : x
  2. Step 2: Convert to fraction form
    181,405,603.20/272,108,404.80 = 149,093,990.40/x
  3. Step 3: Cross multiply
    181,405,603.20x = 272,108,404.80 × 149,093,990.40
  4. Step 4: Simplify right side
    181,405,603.20x = 40,569,727,893,010,520
  5. Step 5: Solve for x
    x = 40,569,727,893,010,520/181,405,603.20
  6. Step 6: Final answer
    x = 223,640,985.60

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1.5x scale

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.