Home / 432,109,173.78-648,191,612.52-151,955,720.37

Finding the Fourth Proportional to 432,109,173.78, 648,191,612.52 and 151,955,720.37

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Solution

The fourth proportional to 432,109,173.78, 648,191,612.52 and 151,955,720.37 is: 227,943,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,109,173.78 : 648,191,612.52 = 151,955,720.37 : x
  2. Step 2: Convert to fraction form
    432,109,173.78/648,191,612.52 = 151,955,720.37/x
  3. Step 3: Cross multiply
    432,109,173.78x = 648,191,612.52 × 151,955,720.37
  4. Step 4: Simplify right side
    432,109,173.78x = 98,496,423,418,268,512
  5. Step 5: Solve for x
    x = 98,496,423,418,268,512/432,109,173.78
  6. Step 6: Final answer
    x = 227,943,374.95

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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.