Home / 82,945,128.60-124,417,692.90-48,848,923.80

Finding the Fourth Proportional to 82,945,128.60, 124,417,692.90 and 48,848,923.80

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Solution

The fourth proportional to 82,945,128.60, 124,417,692.90 and 48,848,923.80 is: 73,273,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,128.60 : 124,417,692.90 = 48,848,923.80 : x
  2. Step 2: Convert to fraction form
    82,945,128.60/124,417,692.90 = 48,848,923.80/x
  3. Step 3: Cross multiply
    82,945,128.60x = 124,417,692.90 × 48,848,923.80
  4. Step 4: Simplify right side
    82,945,128.60x = 6,077,670,399,843,901
  5. Step 5: Solve for x
    x = 6,077,670,399,843,901/82,945,128.60
  6. Step 6: Final answer
    x = 73,273,385.70

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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.