Home / 256,075,483.76-353,384,140.20-138,600,794.96

Finding the Fourth Proportional to 256,075,483.76, 353,384,140.20 and 138,600,794.96

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Solution

The fourth proportional to 256,075,483.76, 353,384,140.20 and 138,600,794.96 is: 191,269,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,075,483.76 : 353,384,140.20 = 138,600,794.96 : x
  2. Step 2: Convert to fraction form
    256,075,483.76/353,384,140.20 = 138,600,794.96/x
  3. Step 3: Cross multiply
    256,075,483.76x = 353,384,140.20 × 138,600,794.96
  4. Step 4: Simplify right side
    256,075,483.76x = 48,979,322,757,976,096
  5. Step 5: Solve for x
    x = 48,979,322,757,976,096/256,075,483.76
  6. Step 6: Final answer
    x = 191,269,082.22

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1.5x scale

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.