Finding the Fourth Proportional to 163,713,007.80, 245,569,511.70 and 98,239,476.60
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Solution
The fourth proportional to 163,713,007.80, 245,569,511.70 and 98,239,476.60 is: 147,359,214.90
Step by Step Solution
- Step 1: Write the proportion equation
163,713,007.80 : 245,569,511.70 = 98,239,476.60 : x - Step 2: Convert to fraction form
163,713,007.80/245,569,511.70 = 98,239,476.60/x - Step 3: Cross multiply
163,713,007.80x = 245,569,511.70 × 98,239,476.60 - Step 4: Simplify right side
163,713,007.80x = 24,124,620,298,325,572 - Step 5: Solve for x
x = 24,124,620,298,325,572/163,713,007.80 - Step 6: Final answer
x = 147,359,214.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.