Home / 84,804,840.83-117,033,522.13-47,129,592.45

Finding the Fourth Proportional to 84,804,840.83, 117,033,522.13 and 47,129,592.45

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Solution

The fourth proportional to 84,804,840.83, 117,033,522.13 and 47,129,592.45 is: 65,040,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,804,840.83 : 117,033,522.13 = 47,129,592.45 : x
  2. Step 2: Convert to fraction form
    84,804,840.83/117,033,522.13 = 47,129,592.45/x
  3. Step 3: Cross multiply
    84,804,840.83x = 117,033,522.13 × 47,129,592.45
  4. Step 4: Simplify right side
    84,804,840.83x = 5,515,742,200,974,956
  5. Step 5: Solve for x
    x = 5,515,742,200,974,956/84,804,840.83
  6. Step 6: Final answer
    x = 65,040,416.88

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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.