Finding the Fourth Proportional to 211,605,567.40, 292,058,644.32 and 122,301,304.84
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Solution
The fourth proportional to 211,605,567.40, 292,058,644.32 and 122,301,304.84 is: 168,800,630.95
Step by Step Solution
- Step 1: Write the proportion equation
211,605,567.40 : 292,058,644.32 = 122,301,304.84 : x - Step 2: Convert to fraction form
211,605,567.40/292,058,644.32 = 122,301,304.84/x - Step 3: Cross multiply
211,605,567.40x = 292,058,644.32 × 122,301,304.84 - Step 4: Simplify right side
211,605,567.40x = 35,719,153,290,137,456 - Step 5: Solve for x
x = 35,719,153,290,137,456/211,605,567.40 - Step 6: Final answer
x = 168,800,630.95
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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.