Finding the Fourth Proportional to 151,127,692.70, 226,683,012.19 and 66,972,840.91
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Solution
The fourth proportional to 151,127,692.70, 226,683,012.19 and 66,972,840.91 is: 100,455,482.65
Step by Step Solution
- Step 1: Write the proportion equation
151,127,692.70 : 226,683,012.19 = 66,972,840.91 : x - Step 2: Convert to fraction form
151,127,692.70/226,683,012.19 = 66,972,840.91/x - Step 3: Cross multiply
151,127,692.70x = 226,683,012.19 × 66,972,840.91 - Step 4: Simplify right side
151,127,692.70x = 15,181,605,311,666,320 - Step 5: Solve for x
x = 15,181,605,311,666,320/151,127,692.70 - Step 6: Final answer
x = 100,455,482.65
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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.