Finding the Fourth Proportional to 97,952,788,821.15, 135,174,517,087.42 and 55,133,246,885.76
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Solution
The fourth proportional to 97,952,788,821.15, 135,174,517,087.42 and 55,133,246,885.76 is: 76,083,694,123.83
Step by Step Solution
- Step 1: Write the proportion equation
97,952,788,821.15 : 135,174,517,087.42 = 55,133,246,885.76 : x - Step 2: Convert to fraction form
97,952,788,821.15/135,174,517,087.42 = 55,133,246,885.76/x - Step 3: Cross multiply
97,952,788,821.15x = 135,174,517,087.42 × 55,133,246,885.76 - Step 4: Simplify right side
97,952,788,821.15x = 7,452,610,023,244,110,495,744 - Step 5: Solve for x
x = 7,452,610,023,244,110,495,744/97,952,788,821.15 - Step 6: Final answer
x = 76,083,694,123.83
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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.