Home / 256,244,709.23-353,615,937.93-138,767,351.13

Finding the Fourth Proportional to 256,244,709.23, 353,615,937.93 and 138,767,351.13

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Solution

The fourth proportional to 256,244,709.23, 353,615,937.93 and 138,767,351.13 is: 191,497,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,709.23 : 353,615,937.93 = 138,767,351.13 : x
  2. Step 2: Convert to fraction form
    256,244,709.23/353,615,937.93 = 138,767,351.13/x
  3. Step 3: Cross multiply
    256,244,709.23x = 353,615,937.93 × 138,767,351.13
  4. Step 4: Simplify right side
    256,244,709.23x = 49,070,347,023,896,592
  5. Step 5: Solve for x
    x = 49,070,347,023,896,592/256,244,709.23
  6. Step 6: Final answer
    x = 191,497,991.01

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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.