Home / 301,308,015.20-451,962,022.80-99,588,207.20

Finding the Fourth Proportional to 301,308,015.20, 451,962,022.80 and 99,588,207.20

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Solution

The fourth proportional to 301,308,015.20, 451,962,022.80 and 99,588,207.20 is: 149,382,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,308,015.20 : 451,962,022.80 = 99,588,207.20 : x
  2. Step 2: Convert to fraction form
    301,308,015.20/451,962,022.80 = 99,588,207.20/x
  3. Step 3: Cross multiply
    301,308,015.20x = 451,962,022.80 × 99,588,207.20
  4. Step 4: Simplify right side
    301,308,015.20x = 45,010,087,573,137,528
  5. Step 5: Solve for x
    x = 45,010,087,573,137,528/301,308,015.20
  6. Step 6: Final answer
    x = 149,382,310.80

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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.