Home / 43,758,954.40-65,638,431.60-38,720,106.40

Finding the Fourth Proportional to 43,758,954.40, 65,638,431.60 and 38,720,106.40

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Solution

The fourth proportional to 43,758,954.40, 65,638,431.60 and 38,720,106.40 is: 58,080,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,758,954.40 : 65,638,431.60 = 38,720,106.40 : x
  2. Step 2: Convert to fraction form
    43,758,954.40/65,638,431.60 = 38,720,106.40/x
  3. Step 3: Cross multiply
    43,758,954.40x = 65,638,431.60 × 38,720,106.40
  4. Step 4: Simplify right side
    43,758,954.40x = 2,541,527,055,481,122
  5. Step 5: Solve for x
    x = 2,541,527,055,481,122/43,758,954.40
  6. Step 6: Final answer
    x = 58,080,159.60

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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.