Home / 124,166,170,501.71-171,381,196,513.61-80,870,344,664.34

Finding the Fourth Proportional to 124,166,170,501.71, 171,381,196,513.61 and 80,870,344,664.34

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Solution

The fourth proportional to 124,166,170,501.71, 171,381,196,513.61 and 80,870,344,664.34 is: 111,621,840,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,166,170,501.71 : 171,381,196,513.61 = 80,870,344,664.34 : x
  2. Step 2: Convert to fraction form
    124,166,170,501.71/171,381,196,513.61 = 80,870,344,664.34/x
  3. Step 3: Cross multiply
    124,166,170,501.71x = 171,381,196,513.61 × 80,870,344,664.34
  4. Step 4: Simplify right side
    124,166,170,501.71x = 13,859,656,431,042,622,914,560
  5. Step 5: Solve for x
    x = 13,859,656,431,042,622,914,560/124,166,170,501.71
  6. Step 6: Final answer
    x = 111,621,840,111.85

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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.