Home / 421,433,145.44-632,134,562.92-110,538,278.25

Finding the Fourth Proportional to 421,433,145.44, 632,134,562.92 and 110,538,278.25

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Solution

The fourth proportional to 421,433,145.44, 632,134,562.92 and 110,538,278.25 is: 165,803,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,433,145.44 : 632,134,562.92 = 110,538,278.25 : x
  2. Step 2: Convert to fraction form
    421,433,145.44/632,134,562.92 = 110,538,278.25/x
  3. Step 3: Cross multiply
    421,433,145.44x = 632,134,562.92 × 110,538,278.25
  4. Step 4: Simplify right side
    421,433,145.44x = 69,875,066,204,846,248
  5. Step 5: Solve for x
    x = 69,875,066,204,846,248/421,433,145.44
  6. Step 6: Final answer
    x = 165,803,442.28

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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.