Finding the Fourth Proportional to 162,230,993,330.40, 223,849,168,692.96 and 93,617,375,223.12
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Solution
The fourth proportional to 162,230,993,330.40, 223,849,168,692.96 and 93,617,375,223.12 is: 129,174,895,552.99
Step by Step Solution
- Step 1: Write the proportion equation
162,230,993,330.40 : 223,849,168,692.96 = 93,617,375,223.12 : x - Step 2: Convert to fraction form
162,230,993,330.40/223,849,168,692.96 = 93,617,375,223.12/x - Step 3: Cross multiply
162,230,993,330.40x = 223,849,168,692.96 × 93,617,375,223.12 - Step 4: Simplify right side
162,230,993,330.40x = 20,956,171,618,912,319,832,064 - Step 5: Solve for x
x = 20,956,171,618,912,319,832,064/162,230,993,330.40 - Step 6: Final answer
x = 129,174,895,552.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.