Home / 549,072,872.37-823,608,647.60-140,129,066.61

Finding the Fourth Proportional to 549,072,872.37, 823,608,647.60 and 140,129,066.61

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Solution

The fourth proportional to 549,072,872.37, 823,608,647.60 and 140,129,066.61 is: 210,193,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,072,872.37 : 823,608,647.60 = 140,129,066.61 : x
  2. Step 2: Convert to fraction form
    549,072,872.37/823,608,647.60 = 140,129,066.61/x
  3. Step 3: Cross multiply
    549,072,872.37x = 823,608,647.60 × 140,129,066.61
  4. Step 4: Simplify right side
    549,072,872.37x = 115,411,511,039,411,792
  5. Step 5: Solve for x
    x = 115,411,511,039,411,792/549,072,872.37
  6. Step 6: Final answer
    x = 210,193,431.23

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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.