Home / 203,687,662,978.52-281,076,309,766.82-112,231,095,798.18

Finding the Fourth Proportional to 203,687,662,978.52, 281,076,309,766.82 and 112,231,095,798.18

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Solution

The fourth proportional to 203,687,662,978.52, 281,076,309,766.82 and 112,231,095,798.18 is: 154,871,933,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,687,662,978.52 : 281,076,309,766.82 = 112,231,095,798.18 : x
  2. Step 2: Convert to fraction form
    203,687,662,978.52/281,076,309,766.82 = 112,231,095,798.18/x
  3. Step 3: Cross multiply
    203,687,662,978.52x = 281,076,309,766.82 × 112,231,095,798.18
  4. Step 4: Simplify right side
    203,687,662,978.52x = 31,545,502,248,038,890,995,712
  5. Step 5: Solve for x
    x = 31,545,502,248,038,890,995,712/203,687,662,978.52
  6. Step 6: Final answer
    x = 154,871,933,757.55

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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.