Home / 138,135,496.54-190,625,816.05-76,254,506.50

Finding the Fourth Proportional to 138,135,496.54, 190,625,816.05 and 76,254,506.50

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Solution

The fourth proportional to 138,135,496.54, 190,625,816.05 and 76,254,506.50 is: 105,230,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,135,496.54 : 190,625,816.05 = 76,254,506.50 : x
  2. Step 2: Convert to fraction form
    138,135,496.54/190,625,816.05 = 76,254,506.50/x
  3. Step 3: Cross multiply
    138,135,496.54x = 190,625,816.05 × 76,254,506.50
  4. Step 4: Simplify right side
    138,135,496.54x = 14,536,077,529,052,530
  5. Step 5: Solve for x
    x = 14,536,077,529,052,530/138,135,496.54
  6. Step 6: Final answer
    x = 105,230,573.55

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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.