Finding the Fourth Proportional to 292,587,330.21, 403,774,422.24 and 160,427,991.84
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Solution
The fourth proportional to 292,587,330.21, 403,774,422.24 and 160,427,991.84 is: 221,392,770.73
Step by Step Solution
- Step 1: Write the proportion equation
292,587,330.21 : 403,774,422.24 = 160,427,991.84 : x - Step 2: Convert to fraction form
292,587,330.21/403,774,422.24 = 160,427,991.84/x - Step 3: Cross multiply
292,587,330.21x = 403,774,422.24 × 160,427,991.84 - Step 4: Simplify right side
292,587,330.21x = 64,776,719,716,319,440 - Step 5: Solve for x
x = 64,776,719,716,319,440/292,587,330.21 - Step 6: Final answer
x = 221,392,770.73
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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.