Finding the Fourth Proportional to 311,444,830.70, 467,167,246.05 and 81,437,165.90
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Solution
The fourth proportional to 311,444,830.70, 467,167,246.05 and 81,437,165.90 is: 122,155,748.85
Step by Step Solution
- Step 1: Write the proportion equation
311,444,830.70 : 467,167,246.05 = 81,437,165.90 : x - Step 2: Convert to fraction form
311,444,830.70/467,167,246.05 = 81,437,165.90/x - Step 3: Cross multiply
311,444,830.70x = 467,167,246.05 × 81,437,165.90 - Step 4: Simplify right side
311,444,830.70x = 38,044,776,519,619,976 - Step 5: Solve for x
x = 38,044,776,519,619,976/311,444,830.70 - Step 6: Final answer
x = 122,155,748.85
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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.