Finding the Fourth Proportional to 56,608,231.80, 84,912,347.70 and 55,663,447.80
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Solution
The fourth proportional to 56,608,231.80, 84,912,347.70 and 55,663,447.80 is: 83,495,171.70
Step by Step Solution
- Step 1: Write the proportion equation
56,608,231.80 : 84,912,347.70 = 55,663,447.80 : x - Step 2: Convert to fraction form
56,608,231.80/84,912,347.70 = 55,663,447.80/x - Step 3: Cross multiply
56,608,231.80x = 84,912,347.70 × 55,663,447.80 - Step 4: Simplify right side
56,608,231.80x = 4,726,514,033,774,400 - Step 5: Solve for x
x = 4,726,514,033,774,400/56,608,231.80 - Step 6: Final answer
x = 83,495,171.70
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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.