Finding the Fourth Proportional to 146,877,927.20, 220,371,128.40 and 60,623,813.60
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Solution
The fourth proportional to 146,877,927.20, 220,371,128.40 and 60,623,813.60 is: 90,958,106.95
Step by Step Solution
- Step 1: Write the proportion equation
146,877,927.20 : 220,371,128.40 = 60,623,813.60 : x - Step 2: Convert to fraction form
146,877,927.20/220,371,128.40 = 60,623,813.60/x - Step 3: Cross multiply
146,877,927.20x = 220,371,128.40 × 60,623,813.60 - Step 4: Simplify right side
146,877,927.20x = 13,359,738,210,943,266 - Step 5: Solve for x
x = 13,359,738,210,943,266/146,877,927.20 - Step 6: Final answer
x = 90,958,106.95
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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.