Finding the Fourth Proportional to 134,917,192.05, 186,182,298.32 and 75,378,946.49
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Solution
The fourth proportional to 134,917,192.05, 186,182,298.32 and 75,378,946.49 is: 104,021,031.63
Step by Step Solution
- Step 1: Write the proportion equation
134,917,192.05 : 186,182,298.32 = 75,378,946.49 : x - Step 2: Convert to fraction form
134,917,192.05/186,182,298.32 = 75,378,946.49/x - Step 3: Cross multiply
134,917,192.05x = 186,182,298.32 × 75,378,946.49 - Step 4: Simplify right side
134,917,192.05x = 14,034,225,501,140,690 - Step 5: Solve for x
x = 14,034,225,501,140,690/134,917,192.05 - Step 6: Final answer
x = 104,021,031.63
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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.