Home / 92,381,840.31-127,492,857.63-53,222,905.47

Finding the Fourth Proportional to 92,381,840.31, 127,492,857.63 and 53,222,905.47

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Solution

The fourth proportional to 92,381,840.31, 127,492,857.63 and 53,222,905.47 is: 73,451,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,381,840.31 : 127,492,857.63 = 53,222,905.47 : x
  2. Step 2: Convert to fraction form
    92,381,840.31/127,492,857.63 = 53,222,905.47/x
  3. Step 3: Cross multiply
    92,381,840.31x = 127,492,857.63 × 53,222,905.47
  4. Step 4: Simplify right side
    92,381,840.31x = 6,785,540,309,741,658
  5. Step 5: Solve for x
    x = 6,785,540,309,741,658/92,381,840.31
  6. Step 6: Final answer
    x = 73,451,019.02

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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.