Finding the Fourth Proportional to 172,163,432.68, 237,583,602.54 and 93,845,267.62
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Solution
The fourth proportional to 172,163,432.68, 237,583,602.54 and 93,845,267.62 is: 129,505,414.80
Step by Step Solution
- Step 1: Write the proportion equation
172,163,432.68 : 237,583,602.54 = 93,845,267.62 : x - Step 2: Convert to fraction form
172,163,432.68/237,583,602.54 = 93,845,267.62/x - Step 3: Cross multiply
172,163,432.68x = 237,583,602.54 × 93,845,267.62 - Step 4: Simplify right side
172,163,432.68x = 22,296,096,762,490,012 - Step 5: Solve for x
x = 22,296,096,762,490,012/172,163,432.68 - Step 6: Final answer
x = 129,505,414.80
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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.