Finding the Fourth Proportional to 91,656,686.58, 126,482,378.70 and 51,966,888.07
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Solution
The fourth proportional to 91,656,686.58, 126,482,378.70 and 51,966,888.07 is: 71,712,123.38
Step by Step Solution
- Step 1: Write the proportion equation
91,656,686.58 : 126,482,378.70 = 51,966,888.07 : x - Step 2: Convert to fraction form
91,656,686.58/126,482,378.70 = 51,966,888.07/x - Step 3: Cross multiply
91,656,686.58x = 126,482,378.70 × 51,966,888.07 - Step 4: Simplify right side
91,656,686.58x = 6,572,895,616,730,252 - Step 5: Solve for x
x = 6,572,895,616,730,252/91,656,686.58 - Step 6: Final answer
x = 71,712,123.38
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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.