Finding the Fourth Proportional to 92,690,646.76, 127,917,456.42 and 51,437,878.12
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Solution
The fourth proportional to 92,690,646.76, 127,917,456.42 and 51,437,878.12 is: 70,986,693.51
Step by Step Solution
- Step 1: Write the proportion equation
92,690,646.76 : 127,917,456.42 = 51,437,878.12 : x - Step 2: Convert to fraction form
92,690,646.76/127,917,456.42 = 51,437,878.12/x - Step 3: Cross multiply
92,690,646.76x = 127,917,456.42 × 51,437,878.12 - Step 4: Simplify right side
92,690,646.76x = 6,579,802,532,752,371 - Step 5: Solve for x
x = 6,579,802,532,752,371/92,690,646.76 - Step 6: Final answer
x = 70,986,693.51
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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.