Home / 319,662,423.06-441,134,144.55-172,984,707.06

Finding the Fourth Proportional to 319,662,423.06, 441,134,144.55 and 172,984,707.06

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Solution

The fourth proportional to 319,662,423.06, 441,134,144.55 and 172,984,707.06 is: 238,718,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,662,423.06 : 441,134,144.55 = 172,984,707.06 : x
  2. Step 2: Convert to fraction form
    319,662,423.06/441,134,144.55 = 172,984,707.06/x
  3. Step 3: Cross multiply
    319,662,423.06x = 441,134,144.55 × 172,984,707.06
  4. Step 4: Simplify right side
    319,662,423.06x = 76,309,460,769,145,456
  5. Step 5: Solve for x
    x = 76,309,460,769,145,456/319,662,423.06
  6. Step 6: Final answer
    x = 238,718,896.14

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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.