Finding the Fourth Proportional to 115,571,749.33, 159,488,975.58 and 63,359,663.97
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Solution
The fourth proportional to 115,571,749.33, 159,488,975.58 and 63,359,663.97 is: 87,436,315.17
Step by Step Solution
- Step 1: Write the proportion equation
115,571,749.33 : 159,488,975.58 = 63,359,663.97 : x - Step 2: Convert to fraction form
115,571,749.33/159,488,975.58 = 63,359,663.97/x - Step 3: Cross multiply
115,571,749.33x = 159,488,975.58 × 63,359,663.97 - Step 4: Simplify right side
115,571,749.33x = 10,105,167,899,668,336 - Step 5: Solve for x
x = 10,105,167,899,668,336/115,571,749.33 - Step 6: Final answer
x = 87,436,315.17
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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.