Home / 319,819,034.86-441,373,106.57-176,761,720.46

Finding the Fourth Proportional to 319,819,034.86, 441,373,106.57 and 176,761,720.46

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Solution

The fourth proportional to 319,819,034.86, 441,373,106.57 and 176,761,720.46 is: 243,943,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,819,034.86 : 441,373,106.57 = 176,761,720.46 : x
  2. Step 2: Convert to fraction form
    319,819,034.86/441,373,106.57 = 176,761,720.46/x
  3. Step 3: Cross multiply
    319,819,034.86x = 441,373,106.57 × 176,761,720.46
  4. Step 4: Simplify right side
    319,819,034.86x = 78,017,869,678,997,456
  5. Step 5: Solve for x
    x = 78,017,869,678,997,456/319,819,034.86
  6. Step 6: Final answer
    x = 243,943,796.88

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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.