Home / 549,072,878.37-823,608,656.60-140,129,072.61

Finding the Fourth Proportional to 549,072,878.37, 823,608,656.60 and 140,129,072.61

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Solution

The fourth proportional to 549,072,878.37, 823,608,656.60 and 140,129,072.61 is: 210,193,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,072,878.37 : 823,608,656.60 = 140,129,072.61 : x
  2. Step 2: Convert to fraction form
    549,072,878.37/823,608,656.60 = 140,129,072.61/x
  3. Step 3: Cross multiply
    549,072,878.37x = 823,608,656.60 × 140,129,072.61
  4. Step 4: Simplify right side
    549,072,878.37x = 115,411,517,242,225,328
  5. Step 5: Solve for x
    x = 115,411,517,242,225,328/549,072,878.37
  6. Step 6: Final answer
    x = 210,193,440.23

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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.