Home / 147,531,361.28-203,611,131.41-83,967,155.16

Finding the Fourth Proportional to 147,531,361.28, 203,611,131.41 and 83,967,155.16

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Solution

The fourth proportional to 147,531,361.28, 203,611,131.41 and 83,967,155.16 is: 115,884,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531,361.28 : 203,611,131.41 = 83,967,155.16 : x
  2. Step 2: Convert to fraction form
    147,531,361.28/203,611,131.41 = 83,967,155.16/x
  3. Step 3: Cross multiply
    147,531,361.28x = 203,611,131.41 × 83,967,155.16
  4. Step 4: Simplify right side
    147,531,361.28x = 17,096,647,463,406,618
  5. Step 5: Solve for x
    x = 17,096,647,463,406,618/147,531,361.28
  6. Step 6: Final answer
    x = 115,884,835.03

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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.