Home / 202,761,019.66-279,815,709.05-114,668,190.67

Finding the Fourth Proportional to 202,761,019.66, 279,815,709.05 and 114,668,190.67

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Solution

The fourth proportional to 202,761,019.66, 279,815,709.05 and 114,668,190.67 is: 158,245,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,761,019.66 : 279,815,709.05 = 114,668,190.67 : x
  2. Step 2: Convert to fraction form
    202,761,019.66/279,815,709.05 = 114,668,190.67/x
  3. Step 3: Cross multiply
    202,761,019.66x = 279,815,709.05 × 114,668,190.67
  4. Step 4: Simplify right side
    202,761,019.66x = 32,085,961,076,963,768
  5. Step 5: Solve for x
    x = 32,085,961,076,963,768/202,761,019.66
  6. Step 6: Final answer
    x = 158,245,214.64

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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.