Home / 256,140,192.60-354,069,190.98-228,536,490.96

Finding the Fourth Proportional to 256,140,192.60, 354,069,190.98 and 228,536,490.96

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Solution

The fourth proportional to 256,140,192.60, 354,069,190.98 and 228,536,490.96 is: 315,911,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,140,192.60 : 354,069,190.98 = 228,536,490.96 : x
  2. Step 2: Convert to fraction form
    256,140,192.60/354,069,190.98 = 228,536,490.96/x
  3. Step 3: Cross multiply
    256,140,192.60x = 354,069,190.98 × 228,536,490.96
  4. Step 4: Simplify right side
    256,140,192.60x = 80,917,730,463,615,296
  5. Step 5: Solve for x
    x = 80,917,730,463,615,296/256,140,192.60
  6. Step 6: Final answer
    x = 315,911,882.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.