Home / 221,184,000.40-331,776,000.60-140,496,077.20

Finding the Fourth Proportional to 221,184,000.40, 331,776,000.60 and 140,496,077.20

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Solution

The fourth proportional to 221,184,000.40, 331,776,000.60 and 140,496,077.20 is: 210,744,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,000.40 : 331,776,000.60 = 140,496,077.20 : x
  2. Step 2: Convert to fraction form
    221,184,000.40/331,776,000.60 = 140,496,077.20/x
  3. Step 3: Cross multiply
    221,184,000.40x = 331,776,000.60 × 140,496,077.20
  4. Step 4: Simplify right side
    221,184,000.40x = 46,613,226,593,404,848
  5. Step 5: Solve for x
    x = 46,613,226,593,404,848/221,184,000.40
  6. Step 6: Final answer
    x = 210,744,115.80

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1.5x scale

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.