Finding the Fourth Proportional to 252,506,326.73, 378,868,604.99 and 135,785,258.28
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Solution
The fourth proportional to 252,506,326.73, 378,868,604.99 and 135,785,258.28 is: 203,736,563.95
Step by Step Solution
- Step 1: Write the proportion equation
252,506,326.73 : 378,868,604.99 = 135,785,258.28 : x - Step 2: Convert to fraction form
252,506,326.73/378,868,604.99 = 135,785,258.28/x - Step 3: Cross multiply
252,506,326.73x = 378,868,604.99 × 135,785,258.28 - Step 4: Simplify right side
252,506,326.73x = 51,444,771,382,071,520 - Step 5: Solve for x
x = 51,444,771,382,071,520/252,506,326.73 - Step 6: Final answer
x = 203,736,563.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.