Home / 221,184,010.60-331,776,015.90-156,686,756.20

Finding the Fourth Proportional to 221,184,010.60, 331,776,015.90 and 156,686,756.20

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Solution

The fourth proportional to 221,184,010.60, 331,776,015.90 and 156,686,756.20 is: 235,030,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,010.60 : 331,776,015.90 = 156,686,756.20 : x
  2. Step 2: Convert to fraction form
    221,184,010.60/331,776,015.90 = 156,686,756.20/x
  3. Step 3: Cross multiply
    221,184,010.60x = 331,776,015.90 × 156,686,756.20
  4. Step 4: Simplify right side
    221,184,010.60x = 51,984,907,716,330,616
  5. Step 5: Solve for x
    x = 51,984,907,716,330,616/221,184,010.60
  6. Step 6: Final answer
    x = 235,030,134.30

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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.