Home / 57,243,923,505.24-85,905,107,587.86-19,978,915,210.68

Finding the Fourth Proportional to 57,243,923,505.24, 85,905,107,587.86 and 19,978,915,210.68

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Solution

The fourth proportional to 57,243,923,505.24, 85,905,107,587.86 and 19,978,915,210.68 is: 29,982,061,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,243,923,505.24 : 85,905,107,587.86 = 19,978,915,210.68 : x
  2. Step 2: Convert to fraction form
    57,243,923,505.24/85,905,107,587.86 = 19,978,915,210.68/x
  3. Step 3: Cross multiply
    57,243,923,505.24x = 85,905,107,587.86 × 19,978,915,210.68
  4. Step 4: Simplify right side
    57,243,923,505.24x = 1,716,290,860,662,198,108,160
  5. Step 5: Solve for x
    x = 1,716,290,860,662,198,108,160/57,243,923,505.24
  6. Step 6: Final answer
    x = 29,982,061,947.68

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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.