Home / 76,626,574.37-114,871,524.55-28,093,118.70

Finding the Fourth Proportional to 76,626,574.37, 114,871,524.55 and 28,093,118.70

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Solution

The fourth proportional to 76,626,574.37, 114,871,524.55 and 28,093,118.70 is: 42,114,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,626,574.37 : 114,871,524.55 = 28,093,118.70 : x
  2. Step 2: Convert to fraction form
    76,626,574.37/114,871,524.55 = 28,093,118.70/x
  3. Step 3: Cross multiply
    76,626,574.37x = 114,871,524.55 × 28,093,118.70
  4. Step 4: Simplify right side
    76,626,574.37x = 3,227,099,374,362,881
  5. Step 5: Solve for x
    x = 3,227,099,374,362,881/76,626,574.37
  6. Step 6: Final answer
    x = 42,114,624.09

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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.