Home / 43,874,237-65,772,328.44-20,830,955.24

Finding the Fourth Proportional to 43,874,237, 65,772,328.44 and 20,830,955.24

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Solution

The fourth proportional to 43,874,237, 65,772,328.44 and 20,830,955.24 is: 31,227,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,874,237 : 65,772,328.44 = 20,830,955.24 : x
  2. Step 2: Convert to fraction form
    43,874,237/65,772,328.44 = 20,830,955.24/x
  3. Step 3: Cross multiply
    43,874,237x = 65,772,328.44 × 20,830,955.24
  4. Step 4: Simplify right side
    43,874,237x = 1,370,100,429,764,218.75
  5. Step 5: Solve for x
    x = 1,370,100,429,764,218.75/43,874,237
  6. Step 6: Final answer
    x = 31,227,903.29

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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.