Finding the Fourth Proportional to 162,017,646.24, 223,583,537.04 and 87,678,153.12
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Solution
The fourth proportional to 162,017,646.24, 223,583,537.04 and 87,678,153.12 is: 120,995,410.38
Step by Step Solution
- Step 1: Write the proportion equation
162,017,646.24 : 223,583,537.04 = 87,678,153.12 : x - Step 2: Convert to fraction form
162,017,646.24/223,583,537.04 = 87,678,153.12/x - Step 3: Cross multiply
162,017,646.24x = 223,583,537.04 × 87,678,153.12 - Step 4: Simplify right side
162,017,646.24x = 19,603,391,595,704,312 - Step 5: Solve for x
x = 19,603,391,595,704,312/162,017,646.24 - Step 6: Final answer
x = 120,995,410.38
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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.