Home / 42,579,198.36-58,759,315.20-23,000,085.72

Finding the Fourth Proportional to 42,579,198.36, 58,759,315.20 and 23,000,085.72

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Solution

The fourth proportional to 42,579,198.36, 58,759,315.20 and 23,000,085.72 is: 31,740,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579,198.36 : 58,759,315.20 = 23,000,085.72 : x
  2. Step 2: Convert to fraction form
    42,579,198.36/58,759,315.20 = 23,000,085.72/x
  3. Step 3: Cross multiply
    42,579,198.36x = 58,759,315.20 × 23,000,085.72
  4. Step 4: Simplify right side
    42,579,198.36x = 1,351,469,286,448,499
  5. Step 5: Solve for x
    x = 1,351,469,286,448,499/42,579,198.36
  6. Step 6: Final answer
    x = 31,740,129.89

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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.