Home / 74,084,913.20-111,127,369.80-72,667,737.20

Finding the Fourth Proportional to 74,084,913.20, 111,127,369.80 and 72,667,737.20

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Solution

The fourth proportional to 74,084,913.20, 111,127,369.80 and 72,667,737.20 is: 109,001,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,084,913.20 : 111,127,369.80 = 72,667,737.20 : x
  2. Step 2: Convert to fraction form
    74,084,913.20/111,127,369.80 = 72,667,737.20/x
  3. Step 3: Cross multiply
    74,084,913.20x = 111,127,369.80 × 72,667,737.20
  4. Step 4: Simplify right side
    74,084,913.20x = 8,075,374,504,353,617
  5. Step 5: Solve for x
    x = 8,075,374,504,353,617/74,084,913.20
  6. Step 6: Final answer
    x = 109,001,605.80

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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.