Home / 137,831,460.40-190,208,690.82-75,954,013.24

Finding the Fourth Proportional to 137,831,460.40, 190,208,690.82 and 75,954,013.24

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Solution

The fourth proportional to 137,831,460.40, 190,208,690.82 and 75,954,013.24 is: 104,817,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,831,460.40 : 190,208,690.82 = 75,954,013.24 : x
  2. Step 2: Convert to fraction form
    137,831,460.40/190,208,690.82 = 75,954,013.24/x
  3. Step 3: Cross multiply
    137,831,460.40x = 190,208,690.82 × 75,954,013.24
  4. Step 4: Simplify right side
    137,831,460.40x = 14,447,113,420,905,344
  5. Step 5: Solve for x
    x = 14,447,113,420,905,344/137,831,460.40
  6. Step 6: Final answer
    x = 104,817,241.14

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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.