Home / 52,945,983.80-79,418,975.70-18,905,766.20

Finding the Fourth Proportional to 52,945,983.80, 79,418,975.70 and 18,905,766.20

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Solution

The fourth proportional to 52,945,983.80, 79,418,975.70 and 18,905,766.20 is: 28,358,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,945,983.80 : 79,418,975.70 = 18,905,766.20 : x
  2. Step 2: Convert to fraction form
    52,945,983.80/79,418,975.70 = 18,905,766.20/x
  3. Step 3: Cross multiply
    52,945,983.80x = 79,418,975.70 × 18,905,766.20
  4. Step 4: Simplify right side
    52,945,983.80x = 1,501,476,586,427,681.25
  5. Step 5: Solve for x
    x = 1,501,476,586,427,681.25/52,945,983.80
  6. Step 6: Final answer
    x = 28,358,649.30

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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.