Finding the Fourth Proportional to 115,892,433.04, 159,931,033.44 and 63,681,316.96
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Solution
The fourth proportional to 115,892,433.04, 159,931,033.44 and 63,681,316.96 is: 87,879,929.39
Step by Step Solution
- Step 1: Write the proportion equation
115,892,433.04 : 159,931,033.44 = 63,681,316.96 : x - Step 2: Convert to fraction form
115,892,433.04/159,931,033.44 = 63,681,316.96/x - Step 3: Cross multiply
115,892,433.04x = 159,931,033.44 × 63,681,316.96 - Step 4: Simplify right side
115,892,433.04x = 10,184,618,832,233,000 - Step 5: Solve for x
x = 10,184,618,832,233,000/115,892,433.04 - Step 6: Final answer
x = 87,879,929.39
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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.