Finding the Fourth Proportional to 71,158,328.06, 106,738,427.02 and 19,345,487.76
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Solution
The fourth proportional to 71,158,328.06, 106,738,427.02 and 19,345,487.76 is: 29,018,485.82
Step by Step Solution
- Step 1: Write the proportion equation
71,158,328.06 : 106,738,427.02 = 19,345,487.76 : x - Step 2: Convert to fraction form
71,158,328.06/106,738,427.02 = 19,345,487.76/x - Step 3: Cross multiply
71,158,328.06x = 106,738,427.02 × 19,345,487.76 - Step 4: Simplify right side
71,158,328.06x = 2,064,906,933,437,063.25 - Step 5: Solve for x
x = 2,064,906,933,437,063.25/71,158,328.06 - Step 6: Final answer
x = 29,018,485.82
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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.