Home / 122,243,623.64-168,680,889.10-82,637,329.79

Finding the Fourth Proportional to 122,243,623.64, 168,680,889.10 and 82,637,329.79

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Solution

The fourth proportional to 122,243,623.64, 168,680,889.10 and 82,637,329.79 is: 114,029,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,243,623.64 : 168,680,889.10 = 82,637,329.79 : x
  2. Step 2: Convert to fraction form
    122,243,623.64/168,680,889.10 = 82,637,329.79/x
  3. Step 3: Cross multiply
    122,243,623.64x = 168,680,889.10 × 82,637,329.79
  4. Step 4: Simplify right side
    122,243,623.64x = 13,939,338,261,827,116
  5. Step 5: Solve for x
    x = 13,939,338,261,827,116/122,243,623.64
  6. Step 6: Final answer
    x = 114,029,164.44

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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.