Home / 192,421,812.12-288,601,993.62-56,075,302.68

Finding the Fourth Proportional to 192,421,812.12, 288,601,993.62 and 56,075,302.68

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Solution

The fourth proportional to 192,421,812.12, 288,601,993.62 and 56,075,302.68 is: 84,104,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,421,812.12 : 288,601,993.62 = 56,075,302.68 : x
  2. Step 2: Convert to fraction form
    192,421,812.12/288,601,993.62 = 56,075,302.68/x
  3. Step 3: Cross multiply
    192,421,812.12x = 288,601,993.62 × 56,075,302.68
  4. Step 4: Simplify right side
    192,421,812.12x = 16,183,444,146,292,930
  5. Step 5: Solve for x
    x = 16,183,444,146,292,930/192,421,812.12
  6. Step 6: Final answer
    x = 84,104,000.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.