Home / 74,203,728.50-111,322,692.59-25,681,582.86

Finding the Fourth Proportional to 74,203,728.50, 111,322,692.59 and 25,681,582.86

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Solution

The fourth proportional to 74,203,728.50, 111,322,692.59 and 25,681,582.86 is: 38,528,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,203,728.50 : 111,322,692.59 = 25,681,582.86 : x
  2. Step 2: Convert to fraction form
    74,203,728.50/111,322,692.59 = 25,681,582.86/x
  3. Step 3: Cross multiply
    74,203,728.50x = 111,322,692.59 × 25,681,582.86
  4. Step 4: Simplify right side
    74,203,728.50x = 2,858,942,953,819,985
  5. Step 5: Solve for x
    x = 2,858,942,953,819,985/74,203,728.50
  6. Step 6: Final answer
    x = 38,528,292.47

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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.