Home / 77,720,143.01-107,208,835.52-50,218,071.26

Finding the Fourth Proportional to 77,720,143.01, 107,208,835.52 and 50,218,071.26

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Solution

The fourth proportional to 77,720,143.01, 107,208,835.52 and 50,218,071.26 is: 69,271,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,720,143.01 : 107,208,835.52 = 50,218,071.26 : x
  2. Step 2: Convert to fraction form
    77,720,143.01/107,208,835.52 = 50,218,071.26/x
  3. Step 3: Cross multiply
    77,720,143.01x = 107,208,835.52 × 50,218,071.26
  4. Step 4: Simplify right side
    77,720,143.01x = 5,383,820,941,057,845
  5. Step 5: Solve for x
    x = 5,383,820,941,057,845/77,720,143.01
  6. Step 6: Final answer
    x = 69,271,886.71

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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.