Finding the Fourth Proportional to 161,758,585.30, 242,637,877.95 and 133,037,151.70
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Solution
The fourth proportional to 161,758,585.30, 242,637,877.95 and 133,037,151.70 is: 199,555,727.55
Step by Step Solution
- Step 1: Write the proportion equation
161,758,585.30 : 242,637,877.95 = 133,037,151.70 : x - Step 2: Convert to fraction form
161,758,585.30/242,637,877.95 = 133,037,151.70/x - Step 3: Cross multiply
161,758,585.30x = 242,637,877.95 × 133,037,151.70 - Step 4: Simplify right side
161,758,585.30x = 32,279,852,177,000,236 - Step 5: Solve for x
x = 32,279,852,177,000,236/161,758,585.30 - Step 6: Final answer
x = 199,555,727.55
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1.5x scale
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.