Finding the Fourth Proportional to 240,137,283.61, 360,202,130.97 and 76,372,678.77
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Solution
The fourth proportional to 240,137,283.61, 360,202,130.97 and 76,372,678.77 is: 114,557,811.38
Step by Step Solution
- Step 1: Write the proportion equation
240,137,283.61 : 360,202,130.97 = 76,372,678.77 : x - Step 2: Convert to fraction form
240,137,283.61/360,202,130.97 = 76,372,678.77/x - Step 3: Cross multiply
240,137,283.61x = 360,202,130.97 × 76,372,678.77 - Step 4: Simplify right side
240,137,283.61x = 27,509,601,640,841,280 - Step 5: Solve for x
x = 27,509,601,640,841,280/240,137,283.61 - Step 6: Final answer
x = 114,557,811.38
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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.