Home / 161,713,608.20-242,570,412.30-75,620,166.20

Finding the Fourth Proportional to 161,713,608.20, 242,570,412.30 and 75,620,166.20

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Solution

The fourth proportional to 161,713,608.20, 242,570,412.30 and 75,620,166.20 is: 113,430,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713,608.20 : 242,570,412.30 = 75,620,166.20 : x
  2. Step 2: Convert to fraction form
    161,713,608.20/242,570,412.30 = 75,620,166.20/x
  3. Step 3: Cross multiply
    161,713,608.20x = 242,570,412.30 × 75,620,166.20
  4. Step 4: Simplify right side
    161,713,608.20x = 18,343,214,893,328,524
  5. Step 5: Solve for x
    x = 18,343,214,893,328,524/161,713,608.20
  6. Step 6: Final answer
    x = 113,430,249.30

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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.