Finding the Fourth Proportional to 163,473,295.05, 225,594,199.85 and 89,135,080.11
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Solution
The fourth proportional to 163,473,295.05, 225,594,199.85 and 89,135,080.11 is: 123,006,984.53
Step by Step Solution
- Step 1: Write the proportion equation
163,473,295.05 : 225,594,199.85 = 89,135,080.11 : x - Step 2: Convert to fraction form
163,473,295.05/225,594,199.85 = 89,135,080.11/x - Step 3: Cross multiply
163,473,295.05x = 225,594,199.85 × 89,135,080.11 - Step 4: Simplify right side
163,473,295.05x = 20,108,357,075,535,424 - Step 5: Solve for x
x = 20,108,357,075,535,424/163,473,295.05 - Step 6: Final answer
x = 123,006,984.53
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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.