Finding the Fourth Proportional to 53,862,516.54, 74,330,355.99 and 30,657,643.26
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Solution
The fourth proportional to 53,862,516.54, 74,330,355.99 and 30,657,643.26 is: 42,307,595.03
Step by Step Solution
- Step 1: Write the proportion equation
53,862,516.54 : 74,330,355.99 = 30,657,643.26 : x - Step 2: Convert to fraction form
53,862,516.54/74,330,355.99 = 30,657,643.26/x - Step 3: Cross multiply
53,862,516.54x = 74,330,355.99 × 30,657,643.26 - Step 4: Simplify right side
53,862,516.54x = 2,278,793,537,330,224 - Step 5: Solve for x
x = 2,278,793,537,330,224/53,862,516.54 - Step 6: Final answer
x = 42,307,595.03
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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.