Home / 256,401,132.24-353,955,561.40-171,773,969.04

Finding the Fourth Proportional to 256,401,132.24, 353,955,561.40 and 171,773,969.04

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Solution

The fourth proportional to 256,401,132.24, 353,955,561.40 and 171,773,969.04 is: 237,129,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,401,132.24 : 353,955,561.40 = 171,773,969.04 : x
  2. Step 2: Convert to fraction form
    256,401,132.24/353,955,561.40 = 171,773,969.04/x
  3. Step 3: Cross multiply
    256,401,132.24x = 353,955,561.40 × 171,773,969.04
  4. Step 4: Simplify right side
    256,401,132.24x = 60,800,351,645,459,416
  5. Step 5: Solve for x
    x = 60,800,351,645,459,416/256,401,132.24
  6. Step 6: Final answer
    x = 237,129,809.51

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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.