Finding the Fourth Proportional to 117,977,612.80, 176,966,419.20 and 32,877,068.80
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Solution
The fourth proportional to 117,977,612.80, 176,966,419.20 and 32,877,068.80 is: 49,315,603.20
Step by Step Solution
- Step 1: Write the proportion equation
117,977,612.80 : 176,966,419.20 = 32,877,068.80 : x - Step 2: Convert to fraction form
117,977,612.80/176,966,419.20 = 32,877,068.80/x - Step 3: Cross multiply
117,977,612.80x = 176,966,419.20 × 32,877,068.80 - Step 4: Simplify right side
117,977,612.80x = 5,818,137,139,328,041 - Step 5: Solve for x
x = 5,818,137,139,328,041/117,977,612.80 - Step 6: Final answer
x = 49,315,603.20
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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.