Finding the Fourth Proportional to 341,658,005.70, 512,487,008.55 and 157,425,125.70
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Solution
The fourth proportional to 341,658,005.70, 512,487,008.55 and 157,425,125.70 is: 236,137,688.55
Step by Step Solution
- Step 1: Write the proportion equation
341,658,005.70 : 512,487,008.55 = 157,425,125.70 : x - Step 2: Convert to fraction form
341,658,005.70/512,487,008.55 = 157,425,125.70/x - Step 3: Cross multiply
341,658,005.70x = 512,487,008.55 × 157,425,125.70 - Step 4: Simplify right side
341,658,005.70x = 80,678,331,740,600,720 - Step 5: Solve for x
x = 80,678,331,740,600,720/341,658,005.70 - Step 6: Final answer
x = 236,137,688.55
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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.