Home / 45,972,607.79-68,975,726.85-21,392,257.52

Finding the Fourth Proportional to 45,972,607.79, 68,975,726.85 and 21,392,257.52

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Solution

The fourth proportional to 45,972,607.79, 68,975,726.85 and 21,392,257.52 is: 32,096,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,972,607.79 : 68,975,726.85 = 21,392,257.52 : x
  2. Step 2: Convert to fraction form
    45,972,607.79/68,975,726.85 = 21,392,257.52/x
  3. Step 3: Cross multiply
    45,972,607.79x = 68,975,726.85 × 21,392,257.52
  4. Step 4: Simplify right side
    45,972,607.79x = 1,475,546,511,404,378.25
  5. Step 5: Solve for x
    x = 1,475,546,511,404,378.25/45,972,607.79
  6. Step 6: Final answer
    x = 32,096,210.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.