Home / 432,158,724.32-648,341,213.07-141,026,388.75

Finding the Fourth Proportional to 432,158,724.32, 648,341,213.07 and 141,026,388.75

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Solution

The fourth proportional to 432,158,724.32, 648,341,213.07 and 141,026,388.75 is: 211,573,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,158,724.32 : 648,341,213.07 = 141,026,388.75 : x
  2. Step 2: Convert to fraction form
    432,158,724.32/648,341,213.07 = 141,026,388.75/x
  3. Step 3: Cross multiply
    432,158,724.32x = 648,341,213.07 × 141,026,388.75
  4. Step 4: Simplify right side
    432,158,724.32x = 91,433,219,957,056,416
  5. Step 5: Solve for x
    x = 91,433,219,957,056,416/432,158,724.32
  6. Step 6: Final answer
    x = 211,573,236.44

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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.