Home / 230,107,842.68-345,163,054.38-76,753,478.12

Finding the Fourth Proportional to 230,107,842.68, 345,163,054.38 and 76,753,478.12

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Solution

The fourth proportional to 230,107,842.68, 345,163,054.38 and 76,753,478.12 is: 115,130,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,107,842.68 : 345,163,054.38 = 76,753,478.12 : x
  2. Step 2: Convert to fraction form
    230,107,842.68/345,163,054.38 = 76,753,478.12/x
  3. Step 3: Cross multiply
    230,107,842.68x = 345,163,054.38 × 76,753,478.12
  4. Step 4: Simplify right side
    230,107,842.68x = 26,492,464,942,187,700
  5. Step 5: Solve for x
    x = 26,492,464,942,187,700/230,107,842.68
  6. Step 6: Final answer
    x = 115,130,647.59

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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.