Home / 319,662,428.06-441,134,151.46-172,984,712.06

Finding the Fourth Proportional to 319,662,428.06, 441,134,151.46 and 172,984,712.06

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Solution

The fourth proportional to 319,662,428.06, 441,134,151.46 and 172,984,712.06 is: 238,718,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,662,428.06 : 441,134,151.46 = 172,984,712.06 : x
  2. Step 2: Convert to fraction form
    319,662,428.06/441,134,151.46 = 172,984,712.06/x
  3. Step 3: Cross multiply
    319,662,428.06x = 441,134,151.46 × 172,984,712.06
  4. Step 4: Simplify right side
    319,662,428.06x = 76,309,464,170,140,528
  5. Step 5: Solve for x
    x = 76,309,464,170,140,528/319,662,428.06
  6. Step 6: Final answer
    x = 238,718,903.04

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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.