Home / 45,648,379.95-62,958,032.87-40,129,955.65

Finding the Fourth Proportional to 45,648,379.95, 62,958,032.87 and 40,129,955.65

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Solution

The fourth proportional to 45,648,379.95, 62,958,032.87 and 40,129,955.65 is: 55,347,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,648,379.95 : 62,958,032.87 = 40,129,955.65 : x
  2. Step 2: Convert to fraction form
    45,648,379.95/62,958,032.87 = 40,129,955.65/x
  3. Step 3: Cross multiply
    45,648,379.95x = 62,958,032.87 × 40,129,955.65
  4. Step 4: Simplify right side
    45,648,379.95x = 2,526,503,066,683,692.50
  5. Step 5: Solve for x
    x = 2,526,503,066,683,692.50/45,648,379.95
  6. Step 6: Final answer
    x = 55,347,047.80

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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.