Finding the Fourth Proportional to 229,475,659.20, 316,667,195.40 and 125,051,504.88
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Solution
The fourth proportional to 229,475,659.20, 316,667,195.40 and 125,051,504.88 is: 172,566,055.45
Step by Step Solution
- Step 1: Write the proportion equation
229,475,659.20 : 316,667,195.40 = 125,051,504.88 : x - Step 2: Convert to fraction form
229,475,659.20/316,667,195.40 = 125,051,504.88/x - Step 3: Cross multiply
229,475,659.20x = 316,667,195.40 × 125,051,504.88 - Step 4: Simplify right side
229,475,659.20x = 39,599,709,330,899,008 - Step 5: Solve for x
x = 39,599,709,330,899,008/229,475,659.20 - Step 6: Final answer
x = 172,566,055.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.