Finding the Fourth Proportional to 128,455,037.03, 177,268,126.16 and 69,717,702.92
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Solution
The fourth proportional to 128,455,037.03, 177,268,126.16 and 69,717,702.92 is: 96,210,525.03
Step by Step Solution
- Step 1: Write the proportion equation
128,455,037.03 : 177,268,126.16 = 69,717,702.92 : x - Step 2: Convert to fraction form
128,455,037.03/177,268,126.16 = 69,717,702.92/x - Step 3: Cross multiply
128,455,037.03x = 177,268,126.16 × 69,717,702.92 - Step 4: Simplify right side
128,455,037.03x = 12,358,726,556,095,914 - Step 5: Solve for x
x = 12,358,726,556,095,914/128,455,037.03 - Step 6: Final answer
x = 96,210,525.03
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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.