Home / 256,130,628.88-353,460,193.32-138,655,872.04

Finding the Fourth Proportional to 256,130,628.88, 353,460,193.32 and 138,655,872.04

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Solution

The fourth proportional to 256,130,628.88, 353,460,193.32 and 138,655,872.04 is: 191,345,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,130,628.88 : 353,460,193.32 = 138,655,872.04 : x
  2. Step 2: Convert to fraction form
    256,130,628.88/353,460,193.32 = 138,655,872.04/x
  3. Step 3: Cross multiply
    256,130,628.88x = 353,460,193.32 × 138,655,872.04
  4. Step 4: Simplify right side
    256,130,628.88x = 49,009,331,336,211,576
  5. Step 5: Solve for x
    x = 49,009,331,336,211,576/256,130,628.88
  6. Step 6: Final answer
    x = 191,345,063.07

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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.