Home / 74,599,229.64-111,775,140.51-45,364,636.31

Finding the Fourth Proportional to 74,599,229.64, 111,775,140.51 and 45,364,636.31

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Solution

The fourth proportional to 74,599,229.64, 111,775,140.51 and 45,364,636.31 is: 67,971,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,599,229.64 : 111,775,140.51 = 45,364,636.31 : x
  2. Step 2: Convert to fraction form
    74,599,229.64/111,775,140.51 = 45,364,636.31/x
  3. Step 3: Cross multiply
    74,599,229.64x = 111,775,140.51 × 45,364,636.31
  4. Step 4: Simplify right side
    74,599,229.64x = 5,070,638,597,176,422
  5. Step 5: Solve for x
    x = 5,070,638,597,176,422/74,599,229.64
  6. Step 6: Final answer
    x = 67,971,728.68

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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.