Home / 256,621,286.04-354,144,338.15-145,128,799.34

Finding the Fourth Proportional to 256,621,286.04, 354,144,338.15 and 145,128,799.34

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Solution

The fourth proportional to 256,621,286.04, 354,144,338.15 and 145,128,799.34 is: 200,281,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,621,286.04 : 354,144,338.15 = 145,128,799.34 : x
  2. Step 2: Convert to fraction form
    256,621,286.04/354,144,338.15 = 145,128,799.34/x
  3. Step 3: Cross multiply
    256,621,286.04x = 354,144,338.15 × 145,128,799.34
  4. Step 4: Simplify right side
    256,621,286.04x = 51,396,542,587,600,128
  5. Step 5: Solve for x
    x = 51,396,542,587,600,128/256,621,286.04
  6. Step 6: Final answer
    x = 200,281,681.16

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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.