Home / 70,292,819.08-105,436,144.86-19,174,668.52

Finding the Fourth Proportional to 70,292,819.08, 105,436,144.86 and 19,174,668.52

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Solution

The fourth proportional to 70,292,819.08, 105,436,144.86 and 19,174,668.52 is: 28,761,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,292,819.08 : 105,436,144.86 = 19,174,668.52 : x
  2. Step 2: Convert to fraction form
    70,292,819.08/105,436,144.86 = 19,174,668.52/x
  3. Step 3: Cross multiply
    70,292,819.08x = 105,436,144.86 × 19,174,668.52
  4. Step 4: Simplify right side
    70,292,819.08x = 2,021,703,127,717,201.75
  5. Step 5: Solve for x
    x = 2,021,703,127,717,201.75/70,292,819.08
  6. Step 6: Final answer
    x = 28,761,161.58

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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.