Finding the Fourth Proportional to 296,869,931.70, 445,478,545.35 and 124,332,252.90
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Solution
The fourth proportional to 296,869,931.70, 445,478,545.35 and 124,332,252.90 is: 186,571,104.88
Step by Step Solution
- Step 1: Write the proportion equation
296,869,931.70 : 445,478,545.35 = 124,332,252.90 : x - Step 2: Convert to fraction form
296,869,931.70/445,478,545.35 = 124,332,252.90/x - Step 3: Cross multiply
296,869,931.70x = 445,478,545.35 × 124,332,252.90 - Step 4: Simplify right side
296,869,931.70x = 55,387,351,161,980,328 - Step 5: Solve for x
x = 55,387,351,161,980,328/296,869,931.70 - Step 6: Final answer
x = 186,571,104.88
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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.