Home / 229,825,873.80-344,738,810.70-76,487,430.60

Finding the Fourth Proportional to 229,825,873.80, 344,738,810.70 and 76,487,430.60

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Solution

The fourth proportional to 229,825,873.80, 344,738,810.70 and 76,487,430.60 is: 114,731,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,825,873.80 : 344,738,810.70 = 76,487,430.60 : x
  2. Step 2: Convert to fraction form
    229,825,873.80/344,738,810.70 = 76,487,430.60/x
  3. Step 3: Cross multiply
    229,825,873.80x = 344,738,810.70 × 76,487,430.60
  4. Step 4: Simplify right side
    229,825,873.80x = 26,368,185,858,542,784
  5. Step 5: Solve for x
    x = 26,368,185,858,542,784/229,825,873.80
  6. Step 6: Final answer
    x = 114,731,145.90

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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.