Home / 57,843,661.01-86,772,075.46-20,972,914.67

Finding the Fourth Proportional to 57,843,661.01, 86,772,075.46 and 20,972,914.67

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Solution

The fourth proportional to 57,843,661.01, 86,772,075.46 and 20,972,914.67 is: 31,461,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,843,661.01 : 86,772,075.46 = 20,972,914.67 : x
  2. Step 2: Convert to fraction form
    57,843,661.01/86,772,075.46 = 20,972,914.67/x
  3. Step 3: Cross multiply
    57,843,661.01x = 86,772,075.46 × 20,972,914.67
  4. Step 4: Simplify right side
    57,843,661.01x = 1,819,863,334,525,878.75
  5. Step 5: Solve for x
    x = 1,819,863,334,525,878.75/57,843,661.01
  6. Step 6: Final answer
    x = 31,461,759.21

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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.