Home / 129,435,675.57-194,154,239.22-43,173,845.51

Finding the Fourth Proportional to 129,435,675.57, 194,154,239.22 and 43,173,845.51

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Solution

The fourth proportional to 129,435,675.57, 194,154,239.22 and 43,173,845.51 is: 64,761,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,435,675.57 : 194,154,239.22 = 43,173,845.51 : x
  2. Step 2: Convert to fraction form
    129,435,675.57/194,154,239.22 = 43,173,845.51/x
  3. Step 3: Cross multiply
    129,435,675.57x = 194,154,239.22 × 43,173,845.51
  4. Step 4: Simplify right side
    129,435,675.57x = 8,382,385,128,063,190
  5. Step 5: Solve for x
    x = 8,382,385,128,063,190/129,435,675.57
  6. Step 6: Final answer
    x = 64,761,010.37

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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.