Home / 52,022,480.20-78,010,100.70-19,663,628.20

Finding the Fourth Proportional to 52,022,480.20, 78,010,100.70 and 19,663,628.20

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Solution

The fourth proportional to 52,022,480.20, 78,010,100.70 and 19,663,628.20 is: 29,486,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,022,480.20 : 78,010,100.70 = 19,663,628.20 : x
  2. Step 2: Convert to fraction form
    52,022,480.20/78,010,100.70 = 19,663,628.20/x
  3. Step 3: Cross multiply
    52,022,480.20x = 78,010,100.70 × 19,663,628.20
  4. Step 4: Simplify right side
    52,022,480.20x = 1,533,961,616,009,359.75
  5. Step 5: Solve for x
    x = 1,533,961,616,009,359.75/52,022,480.20
  6. Step 6: Final answer
    x = 29,486,514.49

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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.