Home / 142,560,637.06-196,733,760.97-77,370,541.06

Finding the Fourth Proportional to 142,560,637.06, 196,733,760.97 and 77,370,541.06

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Solution

The fourth proportional to 142,560,637.06, 196,733,760.97 and 77,370,541.06 is: 106,771,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,560,637.06 : 196,733,760.97 = 77,370,541.06 : x
  2. Step 2: Convert to fraction form
    142,560,637.06/196,733,760.97 = 77,370,541.06/x
  3. Step 3: Cross multiply
    142,560,637.06x = 196,733,760.97 × 77,370,541.06
  4. Step 4: Simplify right side
    142,560,637.06x = 15,221,397,531,017,610
  5. Step 5: Solve for x
    x = 15,221,397,531,017,610/142,560,637.06
  6. Step 6: Final answer
    x = 106,771,391.07

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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.