Home / 410,273,028.80-615,409,543.20-123,058,692.80

Finding the Fourth Proportional to 410,273,028.80, 615,409,543.20 and 123,058,692.80

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Solution

The fourth proportional to 410,273,028.80, 615,409,543.20 and 123,058,692.80 is: 184,588,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,273,028.80 : 615,409,543.20 = 123,058,692.80 : x
  2. Step 2: Convert to fraction form
    410,273,028.80/615,409,543.20 = 123,058,692.80/x
  3. Step 3: Cross multiply
    410,273,028.80x = 615,409,543.20 × 123,058,692.80
  4. Step 4: Simplify right side
    410,273,028.80x = 75,731,493,922,837,136
  5. Step 5: Solve for x
    x = 75,731,493,922,837,136/410,273,028.80
  6. Step 6: Final answer
    x = 184,588,039.20

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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.