Home / 157,465,136.80-236,197,705.20-145,986,011.20

Finding the Fourth Proportional to 157,465,136.80, 236,197,705.20 and 145,986,011.20

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Solution

The fourth proportional to 157,465,136.80, 236,197,705.20 and 145,986,011.20 is: 218,979,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,136.80 : 236,197,705.20 = 145,986,011.20 : x
  2. Step 2: Convert to fraction form
    157,465,136.80/236,197,705.20 = 145,986,011.20/x
  3. Step 3: Cross multiply
    157,465,136.80x = 236,197,705.20 × 145,986,011.20
  4. Step 4: Simplify right side
    157,465,136.80x = 34,481,560,836,741,492
  5. Step 5: Solve for x
    x = 34,481,560,836,741,492/157,465,136.80
  6. Step 6: Final answer
    x = 218,979,016.80

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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.