Finding the Fourth Proportional to 176,391,709.29, 243,419,283.95 and 98,074,656.09
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Solution
The fourth proportional to 176,391,709.29, 243,419,283.95 and 98,074,656.09 is: 135,342,316.57
Step by Step Solution
- Step 1: Write the proportion equation
176,391,709.29 : 243,419,283.95 = 98,074,656.09 : x - Step 2: Convert to fraction form
176,391,709.29/243,419,283.95 = 98,074,656.09/x - Step 3: Cross multiply
176,391,709.29x = 243,419,283.95 × 98,074,656.09 - Step 4: Simplify right side
176,391,709.29x = 23,873,262,558,579,932 - Step 5: Solve for x
x = 23,873,262,558,579,932/176,391,709.29 - Step 6: Final answer
x = 135,342,316.57
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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.