Finding the Fourth Proportional to 326,386,700.43, 450,409,421.61 and 177,706,116.16
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Solution
The fourth proportional to 326,386,700.43, 450,409,421.61 and 177,706,116.16 is: 245,232,139.95
Step by Step Solution
- Step 1: Write the proportion equation
326,386,700.43 : 450,409,421.61 = 177,706,116.16 : x - Step 2: Convert to fraction form
326,386,700.43/450,409,421.61 = 177,706,116.16/x - Step 3: Cross multiply
326,386,700.43x = 450,409,421.61 × 177,706,116.16 - Step 4: Simplify right side
326,386,700.43x = 80,040,508,996,185,072 - Step 5: Solve for x
x = 80,040,508,996,185,072/326,386,700.43 - Step 6: Final answer
x = 245,232,139.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.