Home / 39,885,143.40-55,045,729.53-23,379,136.07

Finding the Fourth Proportional to 39,885,143.40, 55,045,729.53 and 23,379,136.07

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Solution

The fourth proportional to 39,885,143.40, 55,045,729.53 and 23,379,136.07 is: 32,265,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,885,143.40 : 55,045,729.53 = 23,379,136.07 : x
  2. Step 2: Convert to fraction form
    39,885,143.40/55,045,729.53 = 23,379,136.07/x
  3. Step 3: Cross multiply
    39,885,143.40x = 55,045,729.53 × 23,379,136.07
  4. Step 4: Simplify right side
    39,885,143.40x = 1,286,921,600,685,480
  5. Step 5: Solve for x
    x = 1,286,921,600,685,480/39,885,143.40
  6. Step 6: Final answer
    x = 32,265,688.20

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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.