Home / 122,243,647.14-168,680,921.69-82,637,353.41

Finding the Fourth Proportional to 122,243,647.14, 168,680,921.69 and 82,637,353.41

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Solution

The fourth proportional to 122,243,647.14, 168,680,921.69 and 82,637,353.41 is: 114,029,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,243,647.14 : 168,680,921.69 = 82,637,353.41 : x
  2. Step 2: Convert to fraction form
    122,243,647.14/168,680,921.69 = 82,637,353.41/x
  3. Step 3: Cross multiply
    122,243,647.14x = 168,680,921.69 × 82,637,353.41
  4. Step 4: Simplify right side
    122,243,647.14x = 13,939,344,938,807,878
  5. Step 5: Solve for x
    x = 13,939,344,938,807,878/122,243,647.14
  6. Step 6: Final answer
    x = 114,029,197.14

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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.