Home / 189,535,741.70-284,320,962.74-53,220,206.66

Finding the Fourth Proportional to 189,535,741.70, 284,320,962.74 and 53,220,206.66

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Solution

The fourth proportional to 189,535,741.70, 284,320,962.74 and 53,220,206.66 is: 79,835,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,535,741.70 : 284,320,962.74 = 53,220,206.66 : x
  2. Step 2: Convert to fraction form
    189,535,741.70/284,320,962.74 = 53,220,206.66/x
  3. Step 3: Cross multiply
    189,535,741.70x = 284,320,962.74 × 53,220,206.66
  4. Step 4: Simplify right side
    189,535,741.70x = 15,131,620,393,504,406
  5. Step 5: Solve for x
    x = 15,131,620,393,504,406/189,535,741.70
  6. Step 6: Final answer
    x = 79,835,181.79

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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.