Home / 256,250,181.80-353,620,880.26-138,774,557.48

Finding the Fourth Proportional to 256,250,181.80, 353,620,880.26 and 138,774,557.48

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Solution

The fourth proportional to 256,250,181.80, 353,620,880.26 and 138,774,557.48 is: 191,506,522.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,250,181.80 : 353,620,880.26 = 138,774,557.48 : x
  2. Step 2: Convert to fraction form
    256,250,181.80/353,620,880.26 = 138,774,557.48/x
  3. Step 3: Cross multiply
    256,250,181.80x = 353,620,880.26 × 138,774,557.48
  4. Step 4: Simplify right side
    256,250,181.80x = 49,073,581,173,769,560
  5. Step 5: Solve for x
    x = 49,073,581,173,769,560/256,250,181.80
  6. Step 6: Final answer
    x = 191,506,522.37

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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.