Home / 341,658,019.20-512,487,028.80-157,425,139.20

Finding the Fourth Proportional to 341,658,019.20, 512,487,028.80 and 157,425,139.20

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Solution

The fourth proportional to 341,658,019.20, 512,487,028.80 and 157,425,139.20 is: 236,137,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,658,019.20 : 512,487,028.80 = 157,425,139.20 : x
  2. Step 2: Convert to fraction form
    341,658,019.20/512,487,028.80 = 157,425,139.20/x
  3. Step 3: Cross multiply
    341,658,019.20x = 512,487,028.80 × 157,425,139.20
  4. Step 4: Simplify right side
    341,658,019.20x = 80,678,341,847,034,400
  5. Step 5: Solve for x
    x = 80,678,341,847,034,400/341,658,019.20
  6. Step 6: Final answer
    x = 236,137,708.80

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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.