Finding the Fourth Proportional to 180,393,393.65, 248,943,566.06 and 97,887,178.40
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Solution
The fourth proportional to 180,393,393.65, 248,943,566.06 and 97,887,178.40 is: 135,084,676.71
Step by Step Solution
- Step 1: Write the proportion equation
180,393,393.65 : 248,943,566.06 = 97,887,178.40 : x - Step 2: Convert to fraction form
180,393,393.65/248,943,566.06 = 97,887,178.40/x - Step 3: Cross multiply
180,393,393.65x = 248,943,566.06 × 97,887,178.40 - Step 4: Simplify right side
180,393,393.65x = 24,368,383,260,713,252 - Step 5: Solve for x
x = 24,368,383,260,713,252/180,393,393.65 - Step 6: Final answer
x = 135,084,676.71
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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.