Home / 127,187,708.40-190,781,562.60-36,299,487.60

Finding the Fourth Proportional to 127,187,708.40, 190,781,562.60 and 36,299,487.60

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Solution

The fourth proportional to 127,187,708.40, 190,781,562.60 and 36,299,487.60 is: 54,449,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,187,708.40 : 190,781,562.60 = 36,299,487.60 : x
  2. Step 2: Convert to fraction form
    127,187,708.40/190,781,562.60 = 36,299,487.60/x
  3. Step 3: Cross multiply
    127,187,708.40x = 190,781,562.60 × 36,299,487.60
  4. Step 4: Simplify right side
    127,187,708.40x = 6,925,272,965,907,324
  5. Step 5: Solve for x
    x = 6,925,272,965,907,324/127,187,708.40
  6. Step 6: Final answer
    x = 54,449,231.40

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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.