Home / 96,731,429.80-145,093,091.70-31,151,115.93

Finding the Fourth Proportional to 96,731,429.80, 145,093,091.70 and 31,151,115.93

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Solution

The fourth proportional to 96,731,429.80, 145,093,091.70 and 31,151,115.93 is: 46,725,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,731,429.80 : 145,093,091.70 = 31,151,115.93 : x
  2. Step 2: Convert to fraction form
    96,731,429.80/145,093,091.70 = 31,151,115.93/x
  3. Step 3: Cross multiply
    96,731,429.80x = 145,093,091.70 × 31,151,115.93
  4. Step 4: Simplify right side
    96,731,429.80x = 4,519,811,720,188,820
  5. Step 5: Solve for x
    x = 4,519,811,720,188,820/96,731,429.80
  6. Step 6: Final answer
    x = 46,725,368.68

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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.