Finding the Fourth Proportional to 310,294,497.79, 465,301,680.26 and 88,915,201.81
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Solution
The fourth proportional to 310,294,497.79, 465,301,680.26 and 88,915,201.81 is: 133,332,666.54
Step by Step Solution
- Step 1: Write the proportion equation
310,294,497.79 : 465,301,680.26 = 88,915,201.81 : x - Step 2: Convert to fraction form
310,294,497.79/465,301,680.26 = 88,915,201.81/x - Step 3: Cross multiply
310,294,497.79x = 465,301,680.26 × 88,915,201.81 - Step 4: Simplify right side
310,294,497.79x = 41,372,392,802,849,992 - Step 5: Solve for x
x = 41,372,392,802,849,992/310,294,497.79 - Step 6: Final answer
x = 133,332,666.54
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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.