Home / 109,183,776.80-163,775,665.20-51,788,148.80

Finding the Fourth Proportional to 109,183,776.80, 163,775,665.20 and 51,788,148.80

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Solution

The fourth proportional to 109,183,776.80, 163,775,665.20 and 51,788,148.80 is: 77,682,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,183,776.80 : 163,775,665.20 = 51,788,148.80 : x
  2. Step 2: Convert to fraction form
    109,183,776.80/163,775,665.20 = 51,788,148.80/x
  3. Step 3: Cross multiply
    109,183,776.80x = 163,775,665.20 × 51,788,148.80
  4. Step 4: Simplify right side
    109,183,776.80x = 8,481,638,519,196,581
  5. Step 5: Solve for x
    x = 8,481,638,519,196,581/109,183,776.80
  6. Step 6: Final answer
    x = 77,682,223.20

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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.