Finding the Fourth Proportional to 77,921,438.14, 116,649,135.08 and 47,122,808.34
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Solution
The fourth proportional to 77,921,438.14, 116,649,135.08 and 47,122,808.34 is: 70,543,292.92
Step by Step Solution
- Step 1: Write the proportion equation
77,921,438.14 : 116,649,135.08 = 47,122,808.34 : x - Step 2: Convert to fraction form
77,921,438.14/116,649,135.08 = 47,122,808.34/x - Step 3: Cross multiply
77,921,438.14x = 116,649,135.08 × 47,122,808.34 - Step 4: Simplify right side
77,921,438.14x = 5,496,834,835,123,990 - Step 5: Solve for x
x = 5,496,834,835,123,990/77,921,438.14 - Step 6: Final answer
x = 70,543,292.92
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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.