Home / 256,244,699.09-353,615,923.96-138,767,341.01

Finding the Fourth Proportional to 256,244,699.09, 353,615,923.96 and 138,767,341.01

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Solution

The fourth proportional to 256,244,699.09, 353,615,923.96 and 138,767,341.01 is: 191,497,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,699.09 : 353,615,923.96 = 138,767,341.01 : x
  2. Step 2: Convert to fraction form
    256,244,699.09/353,615,923.96 = 138,767,341.01/x
  3. Step 3: Cross multiply
    256,244,699.09x = 353,615,923.96 × 138,767,341.01
  4. Step 4: Simplify right side
    256,244,699.09x = 49,070,341,504,608,544
  5. Step 5: Solve for x
    x = 49,070,341,504,608,544/256,244,699.09
  6. Step 6: Final answer
    x = 191,497,977.04

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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.