Home / 79,902,453-119,852,259.74-25,313,619.72

Finding the Fourth Proportional to 79,902,453, 119,852,259.74 and 25,313,619.72

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Solution

The fourth proportional to 79,902,453, 119,852,259.74 and 25,313,619.72 is: 37,969,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,902,453 : 119,852,259.74 = 25,313,619.72 : x
  2. Step 2: Convert to fraction form
    79,902,453/119,852,259.74 = 25,313,619.72/x
  3. Step 3: Cross multiply
    79,902,453x = 119,852,259.74 × 25,313,619.72
  4. Step 4: Simplify right side
    79,902,453x = 3,033,894,525,514,458
  5. Step 5: Solve for x
    x = 3,033,894,525,514,458/79,902,453
  6. Step 6: Final answer
    x = 37,969,979.79

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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.