Finding the Fourth Proportional to 98,521,327,234.18, 135,969,565,090.98 and 59,942,985,911.02
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Solution
The fourth proportional to 98,521,327,234.18, 135,969,565,090.98 and 59,942,985,911.02 is: 82,727,486,051.86
Step by Step Solution
- Step 1: Write the proportion equation
98,521,327,234.18 : 135,969,565,090.98 = 59,942,985,911.02 : x - Step 2: Convert to fraction form
98,521,327,234.18/135,969,565,090.98 = 59,942,985,911.02/x - Step 3: Cross multiply
98,521,327,234.18x = 135,969,565,090.98 × 59,942,985,911.02 - Step 4: Simplify right side
98,521,327,234.18x = 8,150,421,724,576,130,007,040 - Step 5: Solve for x
x = 8,150,421,724,576,130,007,040/98,521,327,234.18 - Step 6: Final answer
x = 82,727,486,051.86
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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.