Home / 30,640,182.05-42,282,178.61-16,701,230.43

Finding the Fourth Proportional to 30,640,182.05, 42,282,178.61 and 16,701,230.43

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Solution

The fourth proportional to 30,640,182.05, 42,282,178.61 and 16,701,230.43 is: 23,047,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,182.05 : 42,282,178.61 = 16,701,230.43 : x
  2. Step 2: Convert to fraction form
    30,640,182.05/42,282,178.61 = 16,701,230.43/x
  3. Step 3: Cross multiply
    30,640,182.05x = 42,282,178.61 × 16,701,230.43
  4. Step 4: Simplify right side
    30,640,182.05x = 706,164,407,964,520.88
  5. Step 5: Solve for x
    x = 706,164,407,964,520.88/30,640,182.05
  6. Step 6: Final answer
    x = 23,047,004.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.