Finding the Fourth Proportional to 292,213,293.99, 403,239,961.35 and 160,054,878.25
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Solution
The fourth proportional to 292,213,293.99, 403,239,961.35 and 160,054,878.25 is: 220,867,853.20
Step by Step Solution
- Step 1: Write the proportion equation
292,213,293.99 : 403,239,961.35 = 160,054,878.25 : x - Step 2: Convert to fraction form
292,213,293.99/403,239,961.35 = 160,054,878.25/x - Step 3: Cross multiply
292,213,293.99x = 403,239,961.35 × 160,054,878.25 - Step 4: Simplify right side
292,213,293.99x = 64,540,522,919,408,960 - Step 5: Solve for x
x = 64,540,522,919,408,960/292,213,293.99 - Step 6: Final answer
x = 220,867,853.20
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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.