Home / 122,477,609.40-183,716,414.10-45,790,673.10

Finding the Fourth Proportional to 122,477,609.40, 183,716,414.10 and 45,790,673.10

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Solution

The fourth proportional to 122,477,609.40, 183,716,414.10 and 45,790,673.10 is: 68,686,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,477,609.40 : 183,716,414.10 = 45,790,673.10 : x
  2. Step 2: Convert to fraction form
    122,477,609.40/183,716,414.10 = 45,790,673.10/x
  3. Step 3: Cross multiply
    122,477,609.40x = 183,716,414.10 × 45,790,673.10
  4. Step 4: Simplify right side
    122,477,609.40x = 8,412,498,261,157,331
  5. Step 5: Solve for x
    x = 8,412,498,261,157,331/122,477,609.40
  6. Step 6: Final answer
    x = 68,686,009.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.