Home / 228,080,607.31-314,757,876.54-128,959,225.48

Finding the Fourth Proportional to 228,080,607.31, 314,757,876.54 and 128,959,225.48

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Solution

The fourth proportional to 228,080,607.31, 314,757,876.54 and 128,959,225.48 is: 177,967,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080,607.31 : 314,757,876.54 = 128,959,225.48 : x
  2. Step 2: Convert to fraction form
    228,080,607.31/314,757,876.54 = 128,959,225.48/x
  3. Step 3: Cross multiply
    228,080,607.31x = 314,757,876.54 × 128,959,225.48
  4. Step 4: Simplify right side
    228,080,607.31x = 40,590,931,972,327,864
  5. Step 5: Solve for x
    x = 40,590,931,972,327,864/228,080,607.31
  6. Step 6: Final answer
    x = 177,967,484.61

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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.