Home / 143,138,627.33-197,539,762.70-107,794,074.51

Finding the Fourth Proportional to 143,138,627.33, 197,539,762.70 and 107,794,074.51

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Solution

The fourth proportional to 143,138,627.33, 197,539,762.70 and 107,794,074.51 is: 148,762,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,138,627.33 : 197,539,762.70 = 107,794,074.51 : x
  2. Step 2: Convert to fraction form
    143,138,627.33/197,539,762.70 = 107,794,074.51/x
  3. Step 3: Cross multiply
    143,138,627.33x = 197,539,762.70 × 107,794,074.51
  4. Step 4: Simplify right side
    143,138,627.33x = 21,293,615,898,632,548
  5. Step 5: Solve for x
    x = 21,293,615,898,632,548/143,138,627.33
  6. Step 6: Final answer
    x = 148,762,191.57

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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.