Finding the Fourth Proportional to 97,890,539,078.00, 135,088,950,423.81 and 54,485,892,455.19
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Solution
The fourth proportional to 97,890,539,078.00, 135,088,950,423.81 and 54,485,892,455.19 is: 75,190,535,203.94
Step by Step Solution
- Step 1: Write the proportion equation
97,890,539,078.00 : 135,088,950,423.81 = 54,485,892,455.19 : x - Step 2: Convert to fraction form
97,890,539,078.00/135,088,950,423.81 = 54,485,892,455.19/x - Step 3: Cross multiply
97,890,539,078.00x = 135,088,950,423.81 × 54,485,892,455.19 - Step 4: Simplify right side
97,890,539,078.00x = 7,360,442,024,676,205,527,040 - Step 5: Solve for x
x = 7,360,442,024,676,205,527,040/97,890,539,078.00 - Step 6: Final answer
x = 75,190,535,203.94
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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.