Home / 213,971,322.53-320,732,974.30-89,545,240.52

Finding the Fourth Proportional to 213,971,322.53, 320,732,974.30 and 89,545,240.52

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Solution

The fourth proportional to 213,971,322.53, 320,732,974.30 and 89,545,240.52 is: 134,224,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,971,322.53 : 320,732,974.30 = 89,545,240.52 : x
  2. Step 2: Convert to fraction form
    213,971,322.53/320,732,974.30 = 89,545,240.52/x
  3. Step 3: Cross multiply
    213,971,322.53x = 320,732,974.30 × 89,545,240.52
  4. Step 4: Simplify right side
    213,971,322.53x = 28,720,111,324,337,088
  5. Step 5: Solve for x
    x = 28,720,111,324,337,088/213,971,322.53
  6. Step 6: Final answer
    x = 134,224,114.64

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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.