Home / 103,265,963.64-154,915,771.48-30,490,100.96

Finding the Fourth Proportional to 103,265,963.64, 154,915,771.48 and 30,490,100.96

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Solution

The fourth proportional to 103,265,963.64, 154,915,771.48 and 30,490,100.96 is: 45,740,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,265,963.64 : 154,915,771.48 = 30,490,100.96 : x
  2. Step 2: Convert to fraction form
    103,265,963.64/154,915,771.48 = 30,490,100.96/x
  3. Step 3: Cross multiply
    103,265,963.64x = 154,915,771.48 × 30,490,100.96
  4. Step 4: Simplify right side
    103,265,963.64x = 4,723,397,512,721,488
  5. Step 5: Solve for x
    x = 4,723,397,512,721,488/103,265,963.64
  6. Step 6: Final answer
    x = 45,740,119.46

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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.