Finding the Fourth Proportional to 127,921,036.37, 176,531,030.45 and 69,183,701.49
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Solution
The fourth proportional to 127,921,036.37, 176,531,030.45 and 69,183,701.49 is: 95,473,508.20
Step by Step Solution
- Step 1: Write the proportion equation
127,921,036.37 : 176,531,030.45 = 69,183,701.49 : x - Step 2: Convert to fraction form
127,921,036.37/176,531,030.45 = 69,183,701.49/x - Step 3: Cross multiply
127,921,036.37x = 176,531,030.45 × 69,183,701.49 - Step 4: Simplify right side
127,921,036.37x = 12,213,070,114,028,980 - Step 5: Solve for x
x = 12,213,070,114,028,980/127,921,036.37 - Step 6: Final answer
x = 95,473,508.20
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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.