Finding the Fourth Proportional to 247,723,862.67, 341,868,780.29 and 136,223,844.84
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Solution
The fourth proportional to 247,723,862.67, 341,868,780.29 and 136,223,844.84 is: 187,994,322.31
Step by Step Solution
- Step 1: Write the proportion equation
247,723,862.67 : 341,868,780.29 = 136,223,844.84 : x - Step 2: Convert to fraction form
247,723,862.67/341,868,780.29 = 136,223,844.84/x - Step 3: Cross multiply
247,723,862.67x = 341,868,780.29 × 136,223,844.84 - Step 4: Simplify right side
247,723,862.67x = 46,570,679,681,865,016 - Step 5: Solve for x
x = 46,570,679,681,865,016/247,723,862.67 - Step 6: Final answer
x = 187,994,322.31
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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.