Home / 152,455,381.56-210,389,757.60-82,840,760.76

Finding the Fourth Proportional to 152,455,381.56, 210,389,757.60 and 82,840,760.76

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Solution

The fourth proportional to 152,455,381.56, 210,389,757.60 and 82,840,760.76 is: 114,320,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,455,381.56 : 210,389,757.60 = 82,840,760.76 : x
  2. Step 2: Convert to fraction form
    152,455,381.56/210,389,757.60 = 82,840,760.76/x
  3. Step 3: Cross multiply
    152,455,381.56x = 210,389,757.60 × 82,840,760.76
  4. Step 4: Simplify right side
    152,455,381.56x = 17,428,847,575,695,992
  5. Step 5: Solve for x
    x = 17,428,847,575,695,992/152,455,381.56
  6. Step 6: Final answer
    x = 114,320,973.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.