Home / 126,973,857.43-175,237,622.48-71,963,809.03

Finding the Fourth Proportional to 126,973,857.43, 175,237,622.48 and 71,963,809.03

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Solution

The fourth proportional to 126,973,857.43, 175,237,622.48 and 71,963,809.03 is: 99,317,820.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,973,857.43 : 175,237,622.48 = 71,963,809.03 : x
  2. Step 2: Convert to fraction form
    126,973,857.43/175,237,622.48 = 71,963,809.03/x
  3. Step 3: Cross multiply
    126,973,857.43x = 175,237,622.48 × 71,963,809.03
  4. Step 4: Simplify right side
    126,973,857.43x = 12,610,766,798,493,906
  5. Step 5: Solve for x
    x = 12,610,766,798,493,906/126,973,857.43
  6. Step 6: Final answer
    x = 99,317,820.64

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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.