Home / 146,139,157.36-201,672,020.10-87,401,813.50

Finding the Fourth Proportional to 146,139,157.36, 201,672,020.10 and 87,401,813.50

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Solution

The fourth proportional to 146,139,157.36, 201,672,020.10 and 87,401,813.50 is: 120,614,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139,157.36 : 201,672,020.10 = 87,401,813.50 : x
  2. Step 2: Convert to fraction form
    146,139,157.36/201,672,020.10 = 87,401,813.50/x
  3. Step 3: Cross multiply
    146,139,157.36x = 201,672,020.10 × 87,401,813.50
  4. Step 4: Simplify right side
    146,139,157.36x = 17,626,500,288,948,450
  5. Step 5: Solve for x
    x = 17,626,500,288,948,450/146,139,157.36
  6. Step 6: Final answer
    x = 120,614,492.43

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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.