Home / 157,465,136.30-236,197,704.45-145,986,010.70

Finding the Fourth Proportional to 157,465,136.30, 236,197,704.45 and 145,986,010.70

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Solution

The fourth proportional to 157,465,136.30, 236,197,704.45 and 145,986,010.70 is: 218,979,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,136.30 : 236,197,704.45 = 145,986,010.70 : x
  2. Step 2: Convert to fraction form
    157,465,136.30/236,197,704.45 = 145,986,010.70/x
  3. Step 3: Cross multiply
    157,465,136.30x = 236,197,704.45 × 145,986,010.70
  4. Step 4: Simplify right side
    157,465,136.30x = 34,481,560,609,153,132
  5. Step 5: Solve for x
    x = 34,481,560,609,153,132/157,465,136.30
  6. Step 6: Final answer
    x = 218,979,016.05

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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.