Home / 368,093,999.20-552,140,998.80-109,349,154.40

Finding the Fourth Proportional to 368,093,999.20, 552,140,998.80 and 109,349,154.40

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Solution

The fourth proportional to 368,093,999.20, 552,140,998.80 and 109,349,154.40 is: 164,023,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,093,999.20 : 552,140,998.80 = 109,349,154.40 : x
  2. Step 2: Convert to fraction form
    368,093,999.20/552,140,998.80 = 109,349,154.40/x
  3. Step 3: Cross multiply
    368,093,999.20x = 552,140,998.80 × 109,349,154.40
  4. Step 4: Simplify right side
    368,093,999.20x = 60,376,151,328,351,416
  5. Step 5: Solve for x
    x = 60,376,151,328,351,416/368,093,999.20
  6. Step 6: Final answer
    x = 164,023,731.60

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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.