Finding the Fourth Proportional to 207,774,447.92, 286,737,178.20 and 114,953,444
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Solution
The fourth proportional to 207,774,447.92, 286,737,178.20 and 114,953,444 is: 158,640,422.28
Step by Step Solution
- Step 1: Write the proportion equation
207,774,447.92 : 286,737,178.20 = 114,953,444 : x - Step 2: Convert to fraction form
207,774,447.92/286,737,178.20 = 114,953,444/x - Step 3: Cross multiply
207,774,447.92x = 286,737,178.20 × 114,953,444 - Step 4: Simplify right side
207,774,447.92x = 32,961,426,156,931,720 - Step 5: Solve for x
x = 32,961,426,156,931,720/207,774,447.92 - Step 6: Final answer
x = 158,640,422.28
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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.