Home / 190,442,788.56-262,813,927.80-106,829,453.84

Finding the Fourth Proportional to 190,442,788.56, 262,813,927.80 and 106,829,453.84

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Solution

The fourth proportional to 190,442,788.56, 262,813,927.80 and 106,829,453.84 is: 147,426,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,442,788.56 : 262,813,927.80 = 106,829,453.84 : x
  2. Step 2: Convert to fraction form
    190,442,788.56/262,813,927.80 = 106,829,453.84/x
  3. Step 3: Cross multiply
    190,442,788.56x = 262,813,927.80 × 106,829,453.84
  4. Step 4: Simplify right side
    190,442,788.56x = 28,076,268,368,419,196
  5. Step 5: Solve for x
    x = 28,076,268,368,419,196/190,442,788.56
  6. Step 6: Final answer
    x = 147,426,261.61

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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.