Home / 203,334,935.78-280,605,053.13-110,515,415.78

Finding the Fourth Proportional to 203,334,935.78, 280,605,053.13 and 110,515,415.78

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Solution

The fourth proportional to 203,334,935.78, 280,605,053.13 and 110,515,415.78 is: 152,512,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,334,935.78 : 280,605,053.13 = 110,515,415.78 : x
  2. Step 2: Convert to fraction form
    203,334,935.78/280,605,053.13 = 110,515,415.78/x
  3. Step 3: Cross multiply
    203,334,935.78x = 280,605,053.13 × 110,515,415.78
  4. Step 4: Simplify right side
    203,334,935.78x = 31,011,184,116,630,940
  5. Step 5: Solve for x
    x = 31,011,184,116,630,940/203,334,935.78
  6. Step 6: Final answer
    x = 152,512,818.31

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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.