Home / 205,861,214,052.40-308,791,821,078.60-73,315,577,124.40

Finding the Fourth Proportional to 205,861,214,052.40, 308,791,821,078.60 and 73,315,577,124.40

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Solution

The fourth proportional to 205,861,214,052.40, 308,791,821,078.60 and 73,315,577,124.40 is: 109,973,365,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,861,214,052.40 : 308,791,821,078.60 = 73,315,577,124.40 : x
  2. Step 2: Convert to fraction form
    205,861,214,052.40/308,791,821,078.60 = 73,315,577,124.40/x
  3. Step 3: Cross multiply
    205,861,214,052.40x = 308,791,821,078.60 × 73,315,577,124.40
  4. Step 4: Simplify right side
    205,861,214,052.40x = 22,639,250,573,672,021,229,568
  5. Step 5: Solve for x
    x = 22,639,250,573,672,021,229,568/205,861,214,052.40
  6. Step 6: Final answer
    x = 109,973,365,686.60

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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.