Home / 228,281,777.56-313,091,876.63-218,907,075.16

Finding the Fourth Proportional to 228,281,777.56, 313,091,876.63 and 218,907,075.16

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Solution

The fourth proportional to 228,281,777.56, 313,091,876.63 and 218,907,075.16 is: 300,234,331.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,281,777.56 : 313,091,876.63 = 218,907,075.16 : x
  2. Step 2: Convert to fraction form
    228,281,777.56/313,091,876.63 = 218,907,075.16/x
  3. Step 3: Cross multiply
    228,281,777.56x = 313,091,876.63 × 218,907,075.16
  4. Step 4: Simplify right side
    228,281,777.56x = 68,538,026,969,428,856
  5. Step 5: Solve for x
    x = 68,538,026,969,428,856/228,281,777.56
  6. Step 6: Final answer
    x = 300,234,331.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.