Finding the Fourth Proportional to 87,712,008.18, 121,041,101.43 and 48,552,946.98
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Solution
The fourth proportional to 87,712,008.18, 121,041,101.43 and 48,552,946.98 is: 67,002,253.19
Step by Step Solution
- Step 1: Write the proportion equation
87,712,008.18 : 121,041,101.43 = 48,552,946.98 : x - Step 2: Convert to fraction form
87,712,008.18/121,041,101.43 = 48,552,946.98/x - Step 3: Cross multiply
87,712,008.18x = 121,041,101.43 × 48,552,946.98 - Step 4: Simplify right side
87,712,008.18x = 5,876,902,180,131,592 - Step 5: Solve for x
x = 5,876,902,180,131,592/87,712,008.18 - Step 6: Final answer
x = 67,002,253.19
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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.