Home / 314,929,420.70-472,394,131.05-161,874,412.70

Finding the Fourth Proportional to 314,929,420.70, 472,394,131.05 and 161,874,412.70

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Solution

The fourth proportional to 314,929,420.70, 472,394,131.05 and 161,874,412.70 is: 242,811,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,420.70 : 472,394,131.05 = 161,874,412.70 : x
  2. Step 2: Convert to fraction form
    314,929,420.70/472,394,131.05 = 161,874,412.70/x
  3. Step 3: Cross multiply
    314,929,420.70x = 472,394,131.05 × 161,874,412.70
  4. Step 4: Simplify right side
    314,929,420.70x = 76,468,522,526,645,584
  5. Step 5: Solve for x
    x = 76,468,522,526,645,584/314,929,420.70
  6. Step 6: Final answer
    x = 242,811,619.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.