Finding the Fourth Proportional to 112,497,659.97, 155,252,798.61 and 62,935,077.03
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Solution
The fourth proportional to 112,497,659.97, 155,252,798.61 and 62,935,077.03 is: 86,853,778.49
Step by Step Solution
- Step 1: Write the proportion equation
112,497,659.97 : 155,252,798.61 = 62,935,077.03 : x - Step 2: Convert to fraction form
112,497,659.97/155,252,798.61 = 62,935,077.03/x - Step 3: Cross multiply
112,497,659.97x = 155,252,798.61 × 62,935,077.03 - Step 4: Simplify right side
112,497,659.97x = 9,770,846,839,643,428 - Step 5: Solve for x
x = 9,770,846,839,643,428/112,497,659.97 - Step 6: Final answer
x = 86,853,778.49
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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.