Home / 137,831,494.80-190,208,738.44-75,954,047.76

Finding the Fourth Proportional to 137,831,494.80, 190,208,738.44 and 75,954,047.76

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Solution

The fourth proportional to 137,831,494.80, 190,208,738.44 and 75,954,047.76 is: 104,817,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,831,494.80 : 190,208,738.44 = 75,954,047.76 : x
  2. Step 2: Convert to fraction form
    137,831,494.80/190,208,738.44 = 75,954,047.76/x
  3. Step 3: Cross multiply
    137,831,494.80x = 190,208,738.44 × 75,954,047.76
  4. Step 4: Simplify right side
    137,831,494.80x = 14,447,123,603,841,108
  5. Step 5: Solve for x
    x = 14,447,123,603,841,108/137,831,494.80
  6. Step 6: Final answer
    x = 104,817,288.86

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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.