Home / 191,931,699,606.53-264,738,209,846.97-123,429,716,947.62

Finding the Fourth Proportional to 191,931,699,606.53, 264,738,209,846.97 and 123,429,716,947.62

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Solution

The fourth proportional to 191,931,699,606.53, 264,738,209,846.97 and 123,429,716,947.62 is: 170,250,992,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,931,699,606.53 : 264,738,209,846.97 = 123,429,716,947.62 : x
  2. Step 2: Convert to fraction form
    191,931,699,606.53/264,738,209,846.97 = 123,429,716,947.62/x
  3. Step 3: Cross multiply
    191,931,699,606.53x = 264,738,209,846.97 × 123,429,716,947.62
  4. Step 4: Simplify right side
    191,931,699,606.53x = 32,676,562,306,631,131,463,680
  5. Step 5: Solve for x
    x = 32,676,562,306,631,131,463,680/191,931,699,606.53
  6. Step 6: Final answer
    x = 170,250,992,272.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.