Finding the Fourth Proportional to 292,314,426.62, 403,342,638.36 and 166,809,320.06
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Solution
The fourth proportional to 292,314,426.62, 403,342,638.36 and 166,809,320.06 is: 230,167,604.23
Step by Step Solution
- Step 1: Write the proportion equation
292,314,426.62 : 403,342,638.36 = 166,809,320.06 : x - Step 2: Convert to fraction form
292,314,426.62/403,342,638.36 = 166,809,320.06/x - Step 3: Cross multiply
292,314,426.62x = 403,342,638.36 × 166,809,320.06 - Step 4: Simplify right side
292,314,426.62x = 67,281,311,256,038,080 - Step 5: Solve for x
x = 67,281,311,256,038,080/292,314,426.62 - Step 6: Final answer
x = 230,167,604.23
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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.