Finding the Fourth Proportional to 68,995,476,276.80, 103,493,214,415.20 and 57,217,893,411.20
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Solution
The fourth proportional to 68,995,476,276.80, 103,493,214,415.20 and 57,217,893,411.20 is: 85,826,840,116.80
Step by Step Solution
- Step 1: Write the proportion equation
68,995,476,276.80 : 103,493,214,415.20 = 57,217,893,411.20 : x - Step 2: Convert to fraction form
68,995,476,276.80/103,493,214,415.20 = 57,217,893,411.20/x - Step 3: Cross multiply
68,995,476,276.80x = 103,493,214,415.20 × 57,217,893,411.20 - Step 4: Simplify right side
68,995,476,276.80x = 5,921,663,711,191,380,262,912 - Step 5: Solve for x
x = 5,921,663,711,191,380,262,912/68,995,476,276.80 - Step 6: Final answer
x = 85,826,840,116.80
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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.