Home / 128,531,668.80-192,797,082.66-46,650,437.94

Finding the Fourth Proportional to 128,531,668.80, 192,797,082.66 and 46,650,437.94

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Solution

The fourth proportional to 128,531,668.80, 192,797,082.66 and 46,650,437.94 is: 69,975,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,531,668.80 : 192,797,082.66 = 46,650,437.94 : x
  2. Step 2: Convert to fraction form
    128,531,668.80/192,797,082.66 = 46,650,437.94/x
  3. Step 3: Cross multiply
    128,531,668.80x = 192,797,082.66 × 46,650,437.94
  4. Step 4: Simplify right side
    128,531,668.80x = 8,994,068,339,643,379
  5. Step 5: Solve for x
    x = 8,994,068,339,643,379/128,531,668.80
  6. Step 6: Final answer
    x = 69,975,504.28

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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.