Finding the Fourth Proportional to 96,216,606.70, 132,798,206.91 and 57,080,106.70
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Solution
The fourth proportional to 96,216,606.70, 132,798,206.91 and 57,080,106.70 is: 78,781,990.76
Step by Step Solution
- Step 1: Write the proportion equation
96,216,606.70 : 132,798,206.91 = 57,080,106.70 : x - Step 2: Convert to fraction form
96,216,606.70/132,798,206.91 = 57,080,106.70/x - Step 3: Cross multiply
96,216,606.70x = 132,798,206.91 × 57,080,106.70 - Step 4: Simplify right side
96,216,606.70x = 7,580,135,819,991,477 - Step 5: Solve for x
x = 7,580,135,819,991,477/96,216,606.70 - Step 6: Final answer
x = 78,781,990.76
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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.