Finding the Fourth Proportional to 79,442,911.08, 109,640,402.35 and 46,411,417.13
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Solution
The fourth proportional to 79,442,911.08, 109,640,402.35 and 46,411,417.13 is: 64,053,121.64
Step by Step Solution
- Step 1: Write the proportion equation
79,442,911.08 : 109,640,402.35 = 46,411,417.13 : x - Step 2: Convert to fraction form
79,442,911.08/109,640,402.35 = 46,411,417.13/x - Step 3: Cross multiply
79,442,911.08x = 109,640,402.35 × 46,411,417.13 - Step 4: Simplify right side
79,442,911.08x = 5,088,566,447,102,652 - Step 5: Solve for x
x = 5,088,566,447,102,652/79,442,911.08 - Step 6: Final answer
x = 64,053,121.64
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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.