Finding the Fourth Proportional to 177,413,953.60, 266,120,930.40 and 100,707,342.40
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Solution
The fourth proportional to 177,413,953.60, 266,120,930.40 and 100,707,342.40 is: 151,061,013.60
Step by Step Solution
- Step 1: Write the proportion equation
177,413,953.60 : 266,120,930.40 = 100,707,342.40 : x - Step 2: Convert to fraction form
177,413,953.60/266,120,930.40 = 100,707,342.40/x - Step 3: Cross multiply
177,413,953.60x = 266,120,930.40 × 100,707,342.40 - Step 4: Simplify right side
177,413,953.60x = 26,800,331,657,599,372 - Step 5: Solve for x
x = 26,800,331,657,599,372/177,413,953.60 - Step 6: Final answer
x = 151,061,013.60
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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.