Home / 161,713,601.20-242,570,401.80-75,620,159.20

Finding the Fourth Proportional to 161,713,601.20, 242,570,401.80 and 75,620,159.20

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Solution

The fourth proportional to 161,713,601.20, 242,570,401.80 and 75,620,159.20 is: 113,430,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713,601.20 : 242,570,401.80 = 75,620,159.20 : x
  2. Step 2: Convert to fraction form
    161,713,601.20/242,570,401.80 = 75,620,159.20/x
  3. Step 3: Cross multiply
    161,713,601.20x = 242,570,401.80 × 75,620,159.20
  4. Step 4: Simplify right side
    161,713,601.20x = 18,343,212,401,323,968
  5. Step 5: Solve for x
    x = 18,343,212,401,323,968/161,713,601.20
  6. Step 6: Final answer
    x = 113,430,238.80

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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.