Finding the Fourth Proportional to 159,475,545.60, 239,213,318.40 and 157,963,891.20
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Solution
The fourth proportional to 159,475,545.60, 239,213,318.40 and 157,963,891.20 is: 236,945,836.80
Step by Step Solution
- Step 1: Write the proportion equation
159,475,545.60 : 239,213,318.40 = 157,963,891.20 : x - Step 2: Convert to fraction form
159,475,545.60/239,213,318.40 = 157,963,891.20/x - Step 3: Cross multiply
159,475,545.60x = 239,213,318.40 × 157,963,891.20 - Step 4: Simplify right side
159,475,545.60x = 37,787,066,601,328,560 - Step 5: Solve for x
x = 37,787,066,601,328,560/159,475,545.60 - Step 6: Final answer
x = 236,945,836.80
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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.