Finding the Fourth Proportional to 196,781,305.69, 294,944,954.55 and 73,881,237.70
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Solution
The fourth proportional to 196,781,305.69, 294,944,954.55 and 73,881,237.70 is: 110,736,628.25
Step by Step Solution
- Step 1: Write the proportion equation
196,781,305.69 : 294,944,954.55 = 73,881,237.70 : x - Step 2: Convert to fraction form
196,781,305.69/294,944,954.55 = 73,881,237.70/x - Step 3: Cross multiply
196,781,305.69x = 294,944,954.55 × 73,881,237.70 - Step 4: Simplify right side
196,781,305.69x = 21,790,898,295,524,248 - Step 5: Solve for x
x = 21,790,898,295,524,248/196,781,305.69 - Step 6: Final answer
x = 110,736,628.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.