Finding the Fourth Proportional to 199,586,478.90, 299,379,718.35 and 97,416,059.70
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Solution
The fourth proportional to 199,586,478.90, 299,379,718.35 and 97,416,059.70 is: 146,124,089.55
Step by Step Solution
- Step 1: Write the proportion equation
199,586,478.90 : 299,379,718.35 = 97,416,059.70 : x - Step 2: Convert to fraction form
199,586,478.90/299,379,718.35 = 97,416,059.70/x - Step 3: Cross multiply
199,586,478.90x = 299,379,718.35 × 97,416,059.70 - Step 4: Simplify right side
199,586,478.90x = 29,164,392,515,752,788 - Step 5: Solve for x
x = 29,164,392,515,752,788/199,586,478.90 - Step 6: Final answer
x = 146,124,089.55
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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.