Home / 141,371,409.80-212,057,114.70-105,091,704.20

Finding the Fourth Proportional to 141,371,409.80, 212,057,114.70 and 105,091,704.20

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Solution

The fourth proportional to 141,371,409.80, 212,057,114.70 and 105,091,704.20 is: 157,637,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,371,409.80 : 212,057,114.70 = 105,091,704.20 : x
  2. Step 2: Convert to fraction form
    141,371,409.80/212,057,114.70 = 105,091,704.20/x
  3. Step 3: Cross multiply
    141,371,409.80x = 212,057,114.70 × 105,091,704.20
  4. Step 4: Simplify right side
    141,371,409.80x = 22,285,443,571,557,872
  5. Step 5: Solve for x
    x = 22,285,443,571,557,872/141,371,409.80
  6. Step 6: Final answer
    x = 157,637,556.30

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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.