Finding the Fourth Proportional to 136,810,909.92, 188,799,237.71 and 74,087,115.99
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Solution
The fourth proportional to 136,810,909.92, 188,799,237.71 and 74,087,115.99 is: 102,240,318.64
Step by Step Solution
- Step 1: Write the proportion equation
136,810,909.92 : 188,799,237.71 = 74,087,115.99 : x - Step 2: Convert to fraction form
136,810,909.92/188,799,237.71 = 74,087,115.99/x - Step 3: Cross multiply
136,810,909.92x = 188,799,237.71 × 74,087,115.99 - Step 4: Simplify right side
136,810,909.92x = 13,987,591,023,044,352 - Step 5: Solve for x
x = 13,987,591,023,044,352/136,810,909.92 - Step 6: Final answer
x = 102,240,318.64
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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.