Home / 51,310,241.16-76,968,954-20,604,819.48

Finding the Fourth Proportional to 51,310,241.16, 76,968,954 and 20,604,819.48

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Solution

The fourth proportional to 51,310,241.16, 76,968,954 and 20,604,819.48 is: 30,908,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310,241.16 : 76,968,954 = 20,604,819.48 : x
  2. Step 2: Convert to fraction form
    51,310,241.16/76,968,954 = 20,604,819.48/x
  3. Step 3: Cross multiply
    51,310,241.16x = 76,968,954 × 20,604,819.48
  4. Step 4: Simplify right side
    51,310,241.16x = 1,585,931,402,734,424
  5. Step 5: Solve for x
    x = 1,585,931,402,734,424/51,310,241.16
  6. Step 6: Final answer
    x = 30,908,671.78

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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.