Home / 77,691,839.70-116,537,759.55-52,145,087.70

Finding the Fourth Proportional to 77,691,839.70, 116,537,759.55 and 52,145,087.70

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Solution

The fourth proportional to 77,691,839.70, 116,537,759.55 and 52,145,087.70 is: 78,217,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,691,839.70 : 116,537,759.55 = 52,145,087.70 : x
  2. Step 2: Convert to fraction form
    77,691,839.70/116,537,759.55 = 52,145,087.70/x
  3. Step 3: Cross multiply
    77,691,839.70x = 116,537,759.55 × 52,145,087.70
  4. Step 4: Simplify right side
    77,691,839.70x = 6,076,871,692,096,263
  5. Step 5: Solve for x
    x = 6,076,871,692,096,263/77,691,839.70
  6. Step 6: Final answer
    x = 78,217,631.55

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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.