Home / 156,915,128.60-235,372,692.90-49,209,579.80

Finding the Fourth Proportional to 156,915,128.60, 235,372,692.90 and 49,209,579.80

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Solution

The fourth proportional to 156,915,128.60, 235,372,692.90 and 49,209,579.80 is: 73,814,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915,128.60 : 235,372,692.90 = 49,209,579.80 : x
  2. Step 2: Convert to fraction form
    156,915,128.60/235,372,692.90 = 49,209,579.80/x
  3. Step 3: Cross multiply
    156,915,128.60x = 235,372,692.90 × 49,209,579.80
  4. Step 4: Simplify right side
    156,915,128.60x = 11,582,591,314,003,444
  5. Step 5: Solve for x
    x = 11,582,591,314,003,444/156,915,128.60
  6. Step 6: Final answer
    x = 73,814,369.70

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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.