Home / 130,030,094-179,440,579.32-71,291,791.28

Finding the Fourth Proportional to 130,030,094, 179,440,579.32 and 71,291,791.28

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Solution

The fourth proportional to 130,030,094, 179,440,579.32 and 71,291,791.28 is: 98,382,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,030,094 : 179,440,579.32 = 71,291,791.28 : x
  2. Step 2: Convert to fraction form
    130,030,094/179,440,579.32 = 71,291,791.28/x
  3. Step 3: Cross multiply
    130,030,094x = 179,440,579.32 × 71,291,791.28
  4. Step 4: Simplify right side
    130,030,094x = 12,792,640,328,043,724
  5. Step 5: Solve for x
    x = 12,792,640,328,043,724/130,030,094
  6. Step 6: Final answer
    x = 98,382,150.89

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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.