Home / 202,038,195.20-303,057,292.80-72,650,026.40

Finding the Fourth Proportional to 202,038,195.20, 303,057,292.80 and 72,650,026.40

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Solution

The fourth proportional to 202,038,195.20, 303,057,292.80 and 72,650,026.40 is: 108,975,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,038,195.20 : 303,057,292.80 = 72,650,026.40 : x
  2. Step 2: Convert to fraction form
    202,038,195.20/303,057,292.80 = 72,650,026.40/x
  3. Step 3: Cross multiply
    202,038,195.20x = 303,057,292.80 × 72,650,026.40
  4. Step 4: Simplify right side
    202,038,195.20x = 22,017,120,322,632,532
  5. Step 5: Solve for x
    x = 22,017,120,322,632,532/202,038,195.20
  6. Step 6: Final answer
    x = 108,975,039.60

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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.