Finding the Fourth Proportional to 98,207,847,235.48, 135,526,574,276.46 and 54,803,677,006.84
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Solution
The fourth proportional to 98,207,847,235.48, 135,526,574,276.46 and 54,803,677,006.84 is: 75,628,932,020.90
Step by Step Solution
- Step 1: Write the proportion equation
98,207,847,235.48 : 135,526,574,276.46 = 54,803,677,006.84 : x - Step 2: Convert to fraction form
98,207,847,235.48/135,526,574,276.46 = 54,803,677,006.84/x - Step 3: Cross multiply
98,207,847,235.48x = 135,526,574,276.46 × 54,803,677,006.84 - Step 4: Simplify right side
98,207,847,235.48x = 7,427,354,602,490,624,475,136 - Step 5: Solve for x
x = 7,427,354,602,490,624,475,136/98,207,847,235.48 - Step 6: Final answer
x = 75,628,932,020.90
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1.5x scale
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.