Finding the Fourth Proportional to 217,176,358.07, 299,701,244.94 and 118,051,207.74
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Solution
The fourth proportional to 217,176,358.07, 299,701,244.94 and 118,051,207.74 is: 162,909,509.31
Step by Step Solution
- Step 1: Write the proportion equation
217,176,358.07 : 299,701,244.94 = 118,051,207.74 : x - Step 2: Convert to fraction form
217,176,358.07/299,701,244.94 = 118,051,207.74/x - Step 3: Cross multiply
217,176,358.07x = 299,701,244.94 × 118,051,207.74 - Step 4: Simplify right side
217,176,358.07x = 35,380,093,926,348,560 - Step 5: Solve for x
x = 35,380,093,926,348,560/217,176,358.07 - Step 6: Final answer
x = 162,909,509.31
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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.