Home / 80,743,929.66-111,425,201.24-45,935,878.23

Finding the Fourth Proportional to 80,743,929.66, 111,425,201.24 and 45,935,878.23

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Solution

The fourth proportional to 80,743,929.66, 111,425,201.24 and 45,935,878.23 is: 63,390,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,743,929.66 : 111,425,201.24 = 45,935,878.23 : x
  2. Step 2: Convert to fraction form
    80,743,929.66/111,425,201.24 = 45,935,878.23/x
  3. Step 3: Cross multiply
    80,743,929.66x = 111,425,201.24 × 45,935,878.23
  4. Step 4: Simplify right side
    80,743,929.66x = 5,118,414,475,684,205
  5. Step 5: Solve for x
    x = 5,118,414,475,684,205/80,743,929.66
  6. Step 6: Final answer
    x = 63,390,703.14

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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.