Finding the Fourth Proportional to 75,756,658.32, 104,516,726.76 and 62,063,588.88
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Solution
The fourth proportional to 75,756,658.32, 104,516,726.76 and 62,063,588.88 is: 85,625,254.66
Step by Step Solution
- Step 1: Write the proportion equation
75,756,658.32 : 104,516,726.76 = 62,063,588.88 : x - Step 2: Convert to fraction form
75,756,658.32/104,516,726.76 = 62,063,588.88/x - Step 3: Cross multiply
75,756,658.32x = 104,516,726.76 × 62,063,588.88 - Step 4: Simplify right side
75,756,658.32x = 6,486,683,160,715,935 - Step 5: Solve for x
x = 6,486,683,160,715,935/75,756,658.32 - Step 6: Final answer
x = 85,625,254.66
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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.