Home / 115,624,004.03-159,571,215.14-63,423,128.80

Finding the Fourth Proportional to 115,624,004.03, 159,571,215.14 and 63,423,128.80

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Solution

The fourth proportional to 115,624,004.03, 159,571,215.14 and 63,423,128.80 is: 87,529,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,624,004.03 : 159,571,215.14 = 63,423,128.80 : x
  2. Step 2: Convert to fraction form
    115,624,004.03/159,571,215.14 = 63,423,128.80/x
  3. Step 3: Cross multiply
    115,624,004.03x = 159,571,215.14 × 63,423,128.80
  4. Step 4: Simplify right side
    115,624,004.03x = 10,120,505,730,596,728
  5. Step 5: Solve for x
    x = 10,120,505,730,596,728/115,624,004.03
  6. Step 6: Final answer
    x = 87,529,452.17

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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.