Finding the Fourth Proportional to 302,385,152.16, 453,209,236.50 and 156,738,417.12
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Solution
The fourth proportional to 302,385,152.16, 453,209,236.50 and 156,738,417.12 is: 234,916,621.55
Step by Step Solution
- Step 1: Write the proportion equation
302,385,152.16 : 453,209,236.50 = 156,738,417.12 : x - Step 2: Convert to fraction form
302,385,152.16/453,209,236.50 = 156,738,417.12/x - Step 3: Cross multiply
302,385,152.16x = 453,209,236.50 × 156,738,417.12 - Step 4: Simplify right side
302,385,152.16x = 71,035,298,353,173,728 - Step 5: Solve for x
x = 71,035,298,353,173,728/302,385,152.16 - Step 6: Final answer
x = 234,916,621.55
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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.