Finding the Fourth Proportional to 84,141,860.21, 126,252,761.09 and 58,273,969.54
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Solution
The fourth proportional to 84,141,860.21, 126,252,761.09 and 58,273,969.54 is: 87,438,636.79
Step by Step Solution
- Step 1: Write the proportion equation
84,141,860.21 : 126,252,761.09 = 58,273,969.54 : x - Step 2: Convert to fraction form
84,141,860.21/126,252,761.09 = 58,273,969.54/x - Step 3: Cross multiply
84,141,860.21x = 126,252,761.09 × 58,273,969.54 - Step 4: Simplify right side
84,141,860.21x = 7,357,249,553,893,029 - Step 5: Solve for x
x = 7,357,249,553,893,029/84,141,860.21 - Step 6: Final answer
x = 87,438,636.79
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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.