Home / 45,648,379.96-62,958,032.88-40,129,955.64

Finding the Fourth Proportional to 45,648,379.96, 62,958,032.88 and 40,129,955.64

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Solution

The fourth proportional to 45,648,379.96, 62,958,032.88 and 40,129,955.64 is: 55,347,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,648,379.96 : 62,958,032.88 = 40,129,955.64 : x
  2. Step 2: Convert to fraction form
    45,648,379.96/62,958,032.88 = 40,129,955.64/x
  3. Step 3: Cross multiply
    45,648,379.96x = 62,958,032.88 × 40,129,955.64
  4. Step 4: Simplify right side
    45,648,379.96x = 2,526,503,066,656,061.50
  5. Step 5: Solve for x
    x = 2,526,503,066,656,061.50/45,648,379.96
  6. Step 6: Final answer
    x = 55,347,047.78

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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.