Finding the Fourth Proportional to 180,471,976.88, 249,051,644.04 and 97,965,817.52
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Solution
The fourth proportional to 180,471,976.88, 249,051,644.04 and 97,965,817.52 is: 135,192,999.68
Step by Step Solution
- Step 1: Write the proportion equation
180,471,976.88 : 249,051,644.04 = 97,965,817.52 : x - Step 2: Convert to fraction form
180,471,976.88/249,051,644.04 = 97,965,817.52/x - Step 3: Cross multiply
180,471,976.88x = 249,051,644.04 × 97,965,817.52 - Step 4: Simplify right side
180,471,976.88x = 24,398,547,913,078,632 - Step 5: Solve for x
x = 24,398,547,913,078,632/180,471,976.88 - Step 6: Final answer
x = 135,192,999.68
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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.