Home / 122,052,428.73-168,476,549.27-80,812,607.13

Finding the Fourth Proportional to 122,052,428.73, 168,476,549.27 and 80,812,607.13

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Solution

The fourth proportional to 122,052,428.73, 168,476,549.27 and 80,812,607.13 is: 111,550,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,052,428.73 : 168,476,549.27 = 80,812,607.13 : x
  2. Step 2: Convert to fraction form
    122,052,428.73/168,476,549.27 = 80,812,607.13/x
  3. Step 3: Cross multiply
    122,052,428.73x = 168,476,549.27 × 80,812,607.13
  4. Step 4: Simplify right side
    122,052,428.73x = 13,615,029,186,370,534
  5. Step 5: Solve for x
    x = 13,615,029,186,370,534/122,052,428.73
  6. Step 6: Final answer
    x = 111,550,661.70

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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.