Finding the Fourth Proportional to 162,379,407.30, 243,569,110.95 and 146,255,093.70
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Solution
The fourth proportional to 162,379,407.30, 243,569,110.95 and 146,255,093.70 is: 219,382,640.55
Step by Step Solution
- Step 1: Write the proportion equation
162,379,407.30 : 243,569,110.95 = 146,255,093.70 : x - Step 2: Convert to fraction form
162,379,407.30/243,569,110.95 = 146,255,093.70/x - Step 3: Cross multiply
162,379,407.30x = 243,569,110.95 × 146,255,093.70 - Step 4: Simplify right side
162,379,407.30x = 35,623,223,144,417,940 - Step 5: Solve for x
x = 35,623,223,144,417,940/162,379,407.30 - Step 6: Final answer
x = 219,382,640.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.