Finding the Fourth Proportional to 207,938,702.64, 286,955,477.40 and 113,858,811.42
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Solution
The fourth proportional to 207,938,702.64, 286,955,477.40 and 113,858,811.42 is: 157,125,196.86
Step by Step Solution
- Step 1: Write the proportion equation
207,938,702.64 : 286,955,477.40 = 113,858,811.42 : x - Step 2: Convert to fraction form
207,938,702.64/286,955,477.40 = 113,858,811.42/x - Step 3: Cross multiply
207,938,702.64x = 286,955,477.40 × 113,858,811.42 - Step 4: Simplify right side
207,938,702.64x = 32,672,409,587,222,668 - Step 5: Solve for x
x = 32,672,409,587,222,668/207,938,702.64 - Step 6: Final answer
x = 157,125,196.86
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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.