Finding the Fourth Proportional to 156,678,408.10, 235,017,612.15 and 48,972,859.30
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Solution
The fourth proportional to 156,678,408.10, 235,017,612.15 and 48,972,859.30 is: 73,459,288.95
Step by Step Solution
- Step 1: Write the proportion equation
156,678,408.10 : 235,017,612.15 = 48,972,859.30 : x - Step 2: Convert to fraction form
156,678,408.10/235,017,612.15 = 48,972,859.30/x - Step 3: Cross multiply
156,678,408.10x = 235,017,612.15 × 48,972,859.30 - Step 4: Simplify right side
156,678,408.10x = 11,509,484,452,843,920 - Step 5: Solve for x
x = 11,509,484,452,843,920/156,678,408.10 - Step 6: Final answer
x = 73,459,288.95
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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.