Home / 103,586,178.80-155,397,930.60-43,008,028.40

Finding the Fourth Proportional to 103,586,178.80, 155,397,930.60 and 43,008,028.40

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Solution

The fourth proportional to 103,586,178.80, 155,397,930.60 and 43,008,028.40 is: 64,519,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,586,178.80 : 155,397,930.60 = 43,008,028.40 : x
  2. Step 2: Convert to fraction form
    103,586,178.80/155,397,930.60 = 43,008,028.40/x
  3. Step 3: Cross multiply
    103,586,178.80x = 155,397,930.60 × 43,008,028.40
  4. Step 4: Simplify right side
    103,586,178.80x = 6,683,358,612,546,029
  5. Step 5: Solve for x
    x = 6,683,358,612,546,029/103,586,178.80
  6. Step 6: Final answer
    x = 64,519,791.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.