Finding the Fourth Proportional to 186,877,582.98, 257,883,258.51 and 107,486,606.94
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Solution
The fourth proportional to 186,877,582.98, 257,883,258.51 and 107,486,606.94 is: 148,327,027.79
Step by Step Solution
- Step 1: Write the proportion equation
186,877,582.98 : 257,883,258.51 = 107,486,606.94 : x - Step 2: Convert to fraction form
186,877,582.98/257,883,258.51 = 107,486,606.94/x - Step 3: Cross multiply
186,877,582.98x = 257,883,258.51 × 107,486,606.94 - Step 4: Simplify right side
186,877,582.98x = 27,718,996,443,870,780 - Step 5: Solve for x
x = 27,718,996,443,870,780/186,877,582.98 - Step 6: Final answer
x = 148,327,027.79
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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.