Finding the Fourth Proportional to 135,868,016,410.96, 187,498,430,951.64 and 74,899,045,349.46
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Solution
The fourth proportional to 135,868,016,410.96, 187,498,430,951.64 and 74,899,045,349.46 is: 103,360,995,867.65
Step by Step Solution
- Step 1: Write the proportion equation
135,868,016,410.96 : 187,498,430,951.64 = 74,899,045,349.46 : x - Step 2: Convert to fraction form
135,868,016,410.96/187,498,430,951.64 = 74,899,045,349.46/x - Step 3: Cross multiply
135,868,016,410.96x = 187,498,430,951.64 × 74,899,045,349.46 - Step 4: Simplify right side
135,868,016,410.96x = 14,043,453,482,799,481,225,216 - Step 5: Solve for x
x = 14,043,453,482,799,481,225,216/135,868,016,410.96 - Step 6: Final answer
x = 103,360,995,867.65
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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.