Home / 51,419,721.40-77,075,355.43-16,867,100.64

Finding the Fourth Proportional to 51,419,721.40, 77,075,355.43 and 16,867,100.64

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Solution

The fourth proportional to 51,419,721.40, 77,075,355.43 and 16,867,100.64 is: 25,282,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,419,721.40 : 77,075,355.43 = 16,867,100.64 : x
  2. Step 2: Convert to fraction form
    51,419,721.40/77,075,355.43 = 16,867,100.64/x
  3. Step 3: Cross multiply
    51,419,721.40x = 77,075,355.43 × 16,867,100.64
  4. Step 4: Simplify right side
    51,419,721.40x = 1,300,037,776,901,580.75
  5. Step 5: Solve for x
    x = 1,300,037,776,901,580.75/51,419,721.40
  6. Step 6: Final answer
    x = 25,282,863.10

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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.