Finding the Fourth Proportional to 119,885,148.40, 165,441,438.29 and 67,674,634.96
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Solution
The fourth proportional to 119,885,148.40, 165,441,438.29 and 67,674,634.96 is: 93,390,958.70
Step by Step Solution
- Step 1: Write the proportion equation
119,885,148.40 : 165,441,438.29 = 67,674,634.96 : x - Step 2: Convert to fraction form
119,885,148.40/165,441,438.29 = 67,674,634.96/x - Step 3: Cross multiply
119,885,148.40x = 165,441,438.29 × 67,674,634.96 - Step 4: Simplify right side
119,885,148.40x = 11,196,188,943,288,698 - Step 5: Solve for x
x = 11,196,188,943,288,698/119,885,148.40 - Step 6: Final answer
x = 93,390,958.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.