Home / 319,672,828.84-441,146,881.92-172,995,112.84

Finding the Fourth Proportional to 319,672,828.84, 441,146,881.92 and 172,995,112.84

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Solution

The fourth proportional to 319,672,828.84, 441,146,881.92 and 172,995,112.84 is: 238,732,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,672,828.84 : 441,146,881.92 = 172,995,112.84 : x
  2. Step 2: Convert to fraction form
    319,672,828.84/441,146,881.92 = 172,995,112.84/x
  3. Step 3: Cross multiply
    319,672,828.84x = 441,146,881.92 × 172,995,112.84
  4. Step 4: Simplify right side
    319,672,828.84x = 76,316,254,616,764,560
  5. Step 5: Solve for x
    x = 76,316,254,616,764,560/319,672,828.84
  6. Step 6: Final answer
    x = 238,732,378.02

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