Home / 52,539,803.98-78,741,338.29-21,379,139.22

Finding the Fourth Proportional to 52,539,803.98, 78,741,338.29 and 21,379,139.22

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Solution

The fourth proportional to 52,539,803.98, 78,741,338.29 and 21,379,139.22 is: 32,040,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,539,803.98 : 78,741,338.29 = 21,379,139.22 : x
  2. Step 2: Convert to fraction form
    52,539,803.98/78,741,338.29 = 21,379,139.22/x
  3. Step 3: Cross multiply
    52,539,803.98x = 78,741,338.29 × 21,379,139.22
  4. Step 4: Simplify right side
    52,539,803.98x = 1,683,422,033,912,858.75
  5. Step 5: Solve for x
    x = 1,683,422,033,912,858.75/52,539,803.98
  6. Step 6: Final answer
    x = 32,040,889.13

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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.