Home / 122,243,620.42-168,680,884.67-82,637,326.58

Finding the Fourth Proportional to 122,243,620.42, 168,680,884.67 and 82,637,326.58

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Solution

The fourth proportional to 122,243,620.42, 168,680,884.67 and 82,637,326.58 is: 114,029,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,243,620.42 : 168,680,884.67 = 82,637,326.58 : x
  2. Step 2: Convert to fraction form
    122,243,620.42/168,680,884.67 = 82,637,326.58/x
  3. Step 3: Cross multiply
    122,243,620.42x = 168,680,884.67 × 82,637,326.58
  4. Step 4: Simplify right side
    122,243,620.42x = 13,939,337,353,856,402
  5. Step 5: Solve for x
    x = 13,939,337,353,856,402/122,243,620.42
  6. Step 6: Final answer
    x = 114,029,160.01

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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.