Finding the Fourth Proportional to 143,134,827,995.20, 214,702,241,992.80 and 48,914,165,070.40
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Solution
The fourth proportional to 143,134,827,995.20, 214,702,241,992.80 and 48,914,165,070.40 is: 73,371,247,605.60
Step by Step Solution
- Step 1: Write the proportion equation
143,134,827,995.20 : 214,702,241,992.80 = 48,914,165,070.40 : x - Step 2: Convert to fraction form
143,134,827,995.20/214,702,241,992.80 = 48,914,165,070.40/x - Step 3: Cross multiply
143,134,827,995.20x = 214,702,241,992.80 × 48,914,165,070.40 - Step 4: Simplify right side
143,134,827,995.20x = 10,501,980,905,820,785,737,728 - Step 5: Solve for x
x = 10,501,980,905,820,785,737,728/143,134,827,995.20 - Step 6: Final answer
x = 73,371,247,605.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.