Finding the Fourth Proportional to 123,862,062.04, 170,934,570.68 and 68,112,053.12
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Solution
The fourth proportional to 123,862,062.04, 170,934,570.68 and 68,112,053.12 is: 93,997,341.61
Step by Step Solution
- Step 1: Write the proportion equation
123,862,062.04 : 170,934,570.68 = 68,112,053.12 : x - Step 2: Convert to fraction form
123,862,062.04/170,934,570.68 = 68,112,053.12/x - Step 3: Cross multiply
123,862,062.04x = 170,934,570.68 × 68,112,053.12 - Step 4: Simplify right side
123,862,062.04x = 11,642,704,558,287,332 - Step 5: Solve for x
x = 11,642,704,558,287,332/123,862,062.04 - Step 6: Final answer
x = 93,997,341.61
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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.