Finding the Fourth Proportional to 128,662,775.09, 177,556,001.09 and 69,925,444.46
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Solution
The fourth proportional to 128,662,775.09, 177,556,001.09 and 69,925,444.46 is: 96,497,858.71
Step by Step Solution
- Step 1: Write the proportion equation
128,662,775.09 : 177,556,001.09 = 69,925,444.46 : x - Step 2: Convert to fraction form
128,662,775.09/177,556,001.09 = 69,925,444.46/x - Step 3: Cross multiply
128,662,775.09x = 177,556,001.09 × 69,925,444.46 - Step 4: Simplify right side
128,662,775.09x = 12,415,682,291,521,088 - Step 5: Solve for x
x = 12,415,682,291,521,088/128,662,775.09 - Step 6: Final answer
x = 96,497,858.71
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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.