Home / 84,804,839.83-117,033,520.75-47,129,591.45

Finding the Fourth Proportional to 84,804,839.83, 117,033,520.75 and 47,129,591.45

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Solution

The fourth proportional to 84,804,839.83, 117,033,520.75 and 47,129,591.45 is: 65,040,415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,804,839.83 : 117,033,520.75 = 47,129,591.45 : x
  2. Step 2: Convert to fraction form
    84,804,839.83/117,033,520.75 = 47,129,591.45/x
  3. Step 3: Cross multiply
    84,804,839.83x = 117,033,520.75 × 47,129,591.45
  4. Step 4: Simplify right side
    84,804,839.83x = 5,515,742,019,077,358
  5. Step 5: Solve for x
    x = 5,515,742,019,077,358/84,804,839.83
  6. Step 6: Final answer
    x = 65,040,415.50

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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.