Finding the Fourth Proportional to 215,368,462.08, 297,206,939.52 and 117,583,315.20
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Solution
The fourth proportional to 215,368,462.08, 297,206,939.52 and 117,583,315.20 is: 162,264,135.20
Step by Step Solution
- Step 1: Write the proportion equation
215,368,462.08 : 297,206,939.52 = 117,583,315.20 : x - Step 2: Convert to fraction form
215,368,462.08/297,206,939.52 = 117,583,315.20/x - Step 3: Cross multiply
215,368,462.08x = 297,206,939.52 × 117,583,315.20 - Step 4: Simplify right side
215,368,462.08x = 34,946,577,249,207,496 - Step 5: Solve for x
x = 34,946,577,249,207,496/215,368,462.08 - Step 6: Final answer
x = 162,264,135.20
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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.