Home / 157,465,137.80-236,197,706.70-145,986,012.20

Finding the Fourth Proportional to 157,465,137.80, 236,197,706.70 and 145,986,012.20

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Solution

The fourth proportional to 157,465,137.80, 236,197,706.70 and 145,986,012.20 is: 218,979,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,137.80 : 236,197,706.70 = 145,986,012.20 : x
  2. Step 2: Convert to fraction form
    157,465,137.80/236,197,706.70 = 145,986,012.20/x
  3. Step 3: Cross multiply
    157,465,137.80x = 236,197,706.70 × 145,986,012.20
  4. Step 4: Simplify right side
    157,465,137.80x = 34,481,561,291,918,216
  5. Step 5: Solve for x
    x = 34,481,561,291,918,216/157,465,137.80
  6. Step 6: Final answer
    x = 218,979,018.30

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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.