Home / 78,528,741.54-117,805,882.59-23,202,190.50

Finding the Fourth Proportional to 78,528,741.54, 117,805,882.59 and 23,202,190.50

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Solution

The fourth proportional to 78,528,741.54, 117,805,882.59 and 23,202,190.50 is: 34,807,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,528,741.54 : 117,805,882.59 = 23,202,190.50 : x
  2. Step 2: Convert to fraction form
    78,528,741.54/117,805,882.59 = 23,202,190.50/x
  3. Step 3: Cross multiply
    78,528,741.54x = 117,805,882.59 × 23,202,190.50
  4. Step 4: Simplify right side
    78,528,741.54x = 2,733,354,529,873,813.50
  5. Step 5: Solve for x
    x = 2,733,354,529,873,813.50/78,528,741.54
  6. Step 6: Final answer
    x = 34,807,058.87

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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.