Home / 248,736,388.96-343,256,674.80-138,735,192.16

Finding the Fourth Proportional to 248,736,388.96, 343,256,674.80 and 138,735,192.16

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Solution

The fourth proportional to 248,736,388.96, 343,256,674.80 and 138,735,192.16 is: 191,454,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,736,388.96 : 343,256,674.80 = 138,735,192.16 : x
  2. Step 2: Convert to fraction form
    248,736,388.96/343,256,674.80 = 138,735,192.16/x
  3. Step 3: Cross multiply
    248,736,388.96x = 343,256,674.80 × 138,735,192.16
  4. Step 4: Simplify right side
    248,736,388.96x = 47,621,780,738,580,632
  5. Step 5: Solve for x
    x = 47,621,780,738,580,632/248,736,388.96
  6. Step 6: Final answer
    x = 191,454,820.65

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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.