Home / 140,184,161.20-210,276,241.80-91,811,220.40

Finding the Fourth Proportional to 140,184,161.20, 210,276,241.80 and 91,811,220.40

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Solution

The fourth proportional to 140,184,161.20, 210,276,241.80 and 91,811,220.40 is: 137,716,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,184,161.20 : 210,276,241.80 = 91,811,220.40 : x
  2. Step 2: Convert to fraction form
    140,184,161.20/210,276,241.80 = 91,811,220.40/x
  3. Step 3: Cross multiply
    140,184,161.20x = 210,276,241.80 × 91,811,220.40
  4. Step 4: Simplify right side
    140,184,161.20x = 19,305,718,380,783,496
  5. Step 5: Solve for x
    x = 19,305,718,380,783,496/140,184,161.20
  6. Step 6: Final answer
    x = 137,716,830.60

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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.