Home / 90,699,458,082.40-136,049,187,123.60-82,427,685,205.60

Finding the Fourth Proportional to 90,699,458,082.40, 136,049,187,123.60 and 82,427,685,205.60

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Solution

The fourth proportional to 90,699,458,082.40, 136,049,187,123.60 and 82,427,685,205.60 is: 123,641,527,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,458,082.40 : 136,049,187,123.60 = 82,427,685,205.60 : x
  2. Step 2: Convert to fraction form
    90,699,458,082.40/136,049,187,123.60 = 82,427,685,205.60/x
  3. Step 3: Cross multiply
    90,699,458,082.40x = 136,049,187,123.60 × 82,427,685,205.60
  4. Step 4: Simplify right side
    90,699,458,082.40x = 11,214,219,568,701,870,440,448
  5. Step 5: Solve for x
    x = 11,214,219,568,701,870,440,448/90,699,458,082.40
  6. Step 6: Final answer
    x = 123,641,527,808.40

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1.5x scale

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.