Home / 107,760,321.80-161,640,482.70-31,085,851.40

Finding the Fourth Proportional to 107,760,321.80, 161,640,482.70 and 31,085,851.40

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Solution

The fourth proportional to 107,760,321.80, 161,640,482.70 and 31,085,851.40 is: 46,628,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,760,321.80 : 161,640,482.70 = 31,085,851.40 : x
  2. Step 2: Convert to fraction form
    107,760,321.80/161,640,482.70 = 31,085,851.40/x
  3. Step 3: Cross multiply
    107,760,321.80x = 161,640,482.70 × 31,085,851.40
  4. Step 4: Simplify right side
    107,760,321.80x = 5,024,732,025,436,470
  5. Step 5: Solve for x
    x = 5,024,732,025,436,470/107,760,321.80
  6. Step 6: Final answer
    x = 46,628,777.10

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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.