Home / 42,414,003.80-63,639,668.10-19,683,200.60

Finding the Fourth Proportional to 42,414,003.80, 63,639,668.10 and 19,683,200.60

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Solution

The fourth proportional to 42,414,003.80, 63,639,668.10 and 19,683,200.60 is: 29,533,461.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414,003.80 : 63,639,668.10 = 19,683,200.60 : x
  2. Step 2: Convert to fraction form
    42,414,003.80/63,639,668.10 = 19,683,200.60/x
  3. Step 3: Cross multiply
    42,414,003.80x = 63,639,668.10 × 19,683,200.60
  4. Step 4: Simplify right side
    42,414,003.80x = 1,252,632,353,329,721
  5. Step 5: Solve for x
    x = 1,252,632,353,329,721/42,414,003.80
  6. Step 6: Final answer
    x = 29,533,461.62

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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.