Finding the Fourth Proportional to 91,818,000.20, 137,408,135.70 and 63,120,186.20
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Solution
The fourth proportional to 91,818,000.20, 137,408,135.70 and 63,120,186.20 is: 94,461,076.17
Step by Step Solution
- Step 1: Write the proportion equation
91,818,000.20 : 137,408,135.70 = 63,120,186.20 : x - Step 2: Convert to fraction form
91,818,000.20/137,408,135.70 = 63,120,186.20/x - Step 3: Cross multiply
91,818,000.20x = 137,408,135.70 × 63,120,186.20 - Step 4: Simplify right side
91,818,000.20x = 8,673,227,110,778,867 - Step 5: Solve for x
x = 8,673,227,110,778,867/91,818,000.20 - Step 6: Final answer
x = 94,461,076.17
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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.