Home / 80,743,929.91-111,425,201.58-45,935,878.48

Finding the Fourth Proportional to 80,743,929.91, 111,425,201.58 and 45,935,878.48

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Solution

The fourth proportional to 80,743,929.91, 111,425,201.58 and 45,935,878.48 is: 63,390,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,743,929.91 : 111,425,201.58 = 45,935,878.48 : x
  2. Step 2: Convert to fraction form
    80,743,929.91/111,425,201.58 = 45,935,878.48/x
  3. Step 3: Cross multiply
    80,743,929.91x = 111,425,201.58 × 45,935,878.48
  4. Step 4: Simplify right side
    80,743,929.91x = 5,118,414,519,388,384
  5. Step 5: Solve for x
    x = 5,118,414,519,388,384/80,743,929.91
  6. Step 6: Final answer
    x = 63,390,703.49

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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.