Home / 331,776,018.80-497,664,028.20-101,743,276.40

Finding the Fourth Proportional to 331,776,018.80, 497,664,028.20 and 101,743,276.40

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Solution

The fourth proportional to 331,776,018.80, 497,664,028.20 and 101,743,276.40 is: 152,614,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,018.80 : 497,664,028.20 = 101,743,276.40 : x
  2. Step 2: Convert to fraction form
    331,776,018.80/497,664,028.20 = 101,743,276.40/x
  3. Step 3: Cross multiply
    331,776,018.80x = 497,664,028.20 × 101,743,276.40
  4. Step 4: Simplify right side
    331,776,018.80x = 50,633,968,775,490,000
  5. Step 5: Solve for x
    x = 50,633,968,775,490,000/331,776,018.80
  6. Step 6: Final answer
    x = 152,614,914.60

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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.