Finding the Fourth Proportional to 239,791,215.18, 330,919,898.67 and 146,953,794.18
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Solution
The fourth proportional to 239,791,215.18, 330,919,898.67 and 146,953,794.18 is: 202,801,152.01
Step by Step Solution
- Step 1: Write the proportion equation
239,791,215.18 : 330,919,898.67 = 146,953,794.18 : x - Step 2: Convert to fraction form
239,791,215.18/330,919,898.67 = 146,953,794.18/x - Step 3: Cross multiply
239,791,215.18x = 330,919,898.67 × 146,953,794.18 - Step 4: Simplify right side
239,791,215.18x = 48,629,934,679,217,640 - Step 5: Solve for x
x = 48,629,934,679,217,640/239,791,215.18 - Step 6: Final answer
x = 202,801,152.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.