Finding the Fourth Proportional to 57,358,258.09, 79,154,407.56 and 31,252,775.92
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Solution
The fourth proportional to 57,358,258.09, 79,154,407.56 and 31,252,775.92 is: 43,128,836.98
Step by Step Solution
- Step 1: Write the proportion equation
57,358,258.09 : 79,154,407.56 = 31,252,775.92 : x - Step 2: Convert to fraction form
57,358,258.09/79,154,407.56 = 31,252,775.92/x - Step 3: Cross multiply
57,358,258.09x = 79,154,407.56 × 31,252,775.92 - Step 4: Simplify right side
57,358,258.09x = 2,473,794,962,553,034 - Step 5: Solve for x
x = 2,473,794,962,553,034/57,358,258.09 - Step 6: Final answer
x = 43,128,836.98
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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.