Home / 105,014,765.40-157,270,205.70-51,099,091.80

Finding the Fourth Proportional to 105,014,765.40, 157,270,205.70 and 51,099,091.80

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Solution

The fourth proportional to 105,014,765.40, 157,270,205.70 and 51,099,091.80 is: 76,526,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014,765.40 : 157,270,205.70 = 51,099,091.80 : x
  2. Step 2: Convert to fraction form
    105,014,765.40/157,270,205.70 = 51,099,091.80/x
  3. Step 3: Cross multiply
    105,014,765.40x = 157,270,205.70 × 51,099,091.80
  4. Step 4: Simplify right side
    105,014,765.40x = 8,036,364,678,469,182
  5. Step 5: Solve for x
    x = 8,036,364,678,469,182/105,014,765.40
  6. Step 6: Final answer
    x = 76,526,045.15

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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.