Home / 256,810,883.25-385,135,405.74-84,247,485.33

Finding the Fourth Proportional to 256,810,883.25, 385,135,405.74 and 84,247,485.33

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Solution

The fourth proportional to 256,810,883.25, 385,135,405.74 and 84,247,485.33 is: 126,344,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,810,883.25 : 385,135,405.74 = 84,247,485.33 : x
  2. Step 2: Convert to fraction form
    256,810,883.25/385,135,405.74 = 84,247,485.33/x
  3. Step 3: Cross multiply
    256,810,883.25x = 385,135,405.74 × 84,247,485.33
  4. Step 4: Simplify right side
    256,810,883.25x = 32,446,689,445,144,248
  5. Step 5: Solve for x
    x = 32,446,689,445,144,248/256,810,883.25
  6. Step 6: Final answer
    x = 126,344,682.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.