Home / 192,019,557.44-287,912,700.63-75,295,075.81

Finding the Fourth Proportional to 192,019,557.44, 287,912,700.63 and 75,295,075.81

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Solution

The fourth proportional to 192,019,557.44, 287,912,700.63 and 75,295,075.81 is: 112,896,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,019,557.44 : 287,912,700.63 = 75,295,075.81 : x
  2. Step 2: Convert to fraction form
    192,019,557.44/287,912,700.63 = 75,295,075.81/x
  3. Step 3: Cross multiply
    192,019,557.44x = 287,912,700.63 × 75,295,075.81
  4. Step 4: Simplify right side
    192,019,557.44x = 21,678,408,619,346,360
  5. Step 5: Solve for x
    x = 21,678,408,619,346,360/192,019,557.44
  6. Step 6: Final answer
    x = 112,896,878.36

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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.