Home / 100,048,862.22-149,969,247.09-38,680,171.74

Finding the Fourth Proportional to 100,048,862.22, 149,969,247.09 and 38,680,171.74

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Solution

The fourth proportional to 100,048,862.22, 149,969,247.09 and 38,680,171.74 is: 57,980,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048,862.22 : 149,969,247.09 = 38,680,171.74 : x
  2. Step 2: Convert to fraction form
    100,048,862.22/149,969,247.09 = 38,680,171.74/x
  3. Step 3: Cross multiply
    100,048,862.22x = 149,969,247.09 × 38,680,171.74
  4. Step 4: Simplify right side
    100,048,862.22x = 5,800,836,233,159,696
  5. Step 5: Solve for x
    x = 5,800,836,233,159,696/100,048,862.22
  6. Step 6: Final answer
    x = 57,980,032.00

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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.