Finding the Fourth Proportional to 157,466,340.90, 236,199,511.35 and 146,704,660.65
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Solution
The fourth proportional to 157,466,340.90, 236,199,511.35 and 146,704,660.65 is: 220,056,990.98
Step by Step Solution
- Step 1: Write the proportion equation
157,466,340.90 : 236,199,511.35 = 146,704,660.65 : x - Step 2: Convert to fraction form
157,466,340.90/236,199,511.35 = 146,704,660.65/x - Step 3: Cross multiply
157,466,340.90x = 236,199,511.35 × 146,704,660.65 - Step 4: Simplify right side
157,466,340.90x = 34,651,569,158,297,572 - Step 5: Solve for x
x = 34,651,569,158,297,572/157,466,340.90 - Step 6: Final answer
x = 220,056,990.98
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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.