Finding the Fourth Proportional to 148,940,326.33, 205,539,541.88 and 81,966,995.48
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Solution
The fourth proportional to 148,940,326.33, 205,539,541.88 and 81,966,995.48 is: 113,115,494.75
Step by Step Solution
- Step 1: Write the proportion equation
148,940,326.33 : 205,539,541.88 = 81,966,995.48 : x - Step 2: Convert to fraction form
148,940,326.33/205,539,541.88 = 81,966,995.48/x - Step 3: Cross multiply
148,940,326.33x = 205,539,541.88 × 81,966,995.48 - Step 4: Simplify right side
148,940,326.33x = 16,847,458,700,343,244 - Step 5: Solve for x
x = 16,847,458,700,343,244/148,940,326.33 - Step 6: Final answer
x = 113,115,494.75
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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.