Finding the Fourth Proportional to 91,656,685.08, 126,482,376.63 and 51,966,886.57
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Solution
The fourth proportional to 91,656,685.08, 126,482,376.63 and 51,966,886.57 is: 71,712,121.31
Step by Step Solution
- Step 1: Write the proportion equation
91,656,685.08 : 126,482,376.63 = 51,966,886.57 : x - Step 2: Convert to fraction form
91,656,685.08/126,482,376.63 = 51,966,886.57/x - Step 3: Cross multiply
91,656,685.08x = 126,482,376.63 × 51,966,886.57 - Step 4: Simplify right side
91,656,685.08x = 6,572,895,319,313,899 - Step 5: Solve for x
x = 6,572,895,319,313,899/91,656,685.08 - Step 6: Final answer
x = 71,712,121.31
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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.