Home / 230,065,673.20-345,098,509.80-109,133,321.20

Finding the Fourth Proportional to 230,065,673.20, 345,098,509.80 and 109,133,321.20

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Solution

The fourth proportional to 230,065,673.20, 345,098,509.80 and 109,133,321.20 is: 163,699,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,065,673.20 : 345,098,509.80 = 109,133,321.20 : x
  2. Step 2: Convert to fraction form
    230,065,673.20/345,098,509.80 = 109,133,321.20/x
  3. Step 3: Cross multiply
    230,065,673.20x = 345,098,509.80 × 109,133,321.20
  4. Step 4: Simplify right side
    230,065,673.20x = 37,661,746,515,644,752
  5. Step 5: Solve for x
    x = 37,661,746,515,644,752/230,065,673.20
  6. Step 6: Final answer
    x = 163,699,981.80

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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.