Finding the Fourth Proportional to 87,310,353.90, 130,965,530.85 and 29,804,501.10
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Solution
The fourth proportional to 87,310,353.90, 130,965,530.85 and 29,804,501.10 is: 44,706,751.65
Step by Step Solution
- Step 1: Write the proportion equation
87,310,353.90 : 130,965,530.85 = 29,804,501.10 : x - Step 2: Convert to fraction form
87,310,353.90/130,965,530.85 = 29,804,501.10/x - Step 3: Cross multiply
87,310,353.90x = 130,965,530.85 × 29,804,501.10 - Step 4: Simplify right side
87,310,353.90x = 3,903,362,308,280,909 - Step 5: Solve for x
x = 3,903,362,308,280,909/87,310,353.90 - Step 6: Final answer
x = 44,706,751.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.