Finding the Fourth Proportional to 135,251,210.50, 186,646,670.49 and 77,305,702.66
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Solution
The fourth proportional to 135,251,210.50, 186,646,670.49 and 77,305,702.66 is: 106,681,869.67
Step by Step Solution
- Step 1: Write the proportion equation
135,251,210.50 : 186,646,670.49 = 77,305,702.66 : x - Step 2: Convert to fraction form
135,251,210.50/186,646,670.49 = 77,305,702.66/x - Step 3: Cross multiply
135,251,210.50x = 186,646,670.49 × 77,305,702.66 - Step 4: Simplify right side
135,251,210.50x = 14,428,852,011,378,936 - Step 5: Solve for x
x = 14,428,852,011,378,936/135,251,210.50 - Step 6: Final answer
x = 106,681,869.67
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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.