Home / 153,900,243.49-212,381,372.10-83,334,361.39

Finding the Fourth Proportional to 153,900,243.49, 212,381,372.10 and 83,334,361.39

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Solution

The fourth proportional to 153,900,243.49, 212,381,372.10 and 83,334,361.39 is: 115,000,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,900,243.49 : 212,381,372.10 = 83,334,361.39 : x
  2. Step 2: Convert to fraction form
    153,900,243.49/212,381,372.10 = 83,334,361.39/x
  3. Step 3: Cross multiply
    153,900,243.49x = 212,381,372.10 × 83,334,361.39
  4. Step 4: Simplify right side
    153,900,243.49x = 17,698,666,015,085,462
  5. Step 5: Solve for x
    x = 17,698,666,015,085,462/153,900,243.49
  6. Step 6: Final answer
    x = 115,000,896.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.