Finding the Fourth Proportional to 217,552,838.24, 326,132,395.74 and 79,346,042.70
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Solution
The fourth proportional to 217,552,838.24, 326,132,395.74 and 79,346,042.70 is: 118,947,264.53
Step by Step Solution
- Step 1: Write the proportion equation
217,552,838.24 : 326,132,395.74 = 79,346,042.70 : x - Step 2: Convert to fraction form
217,552,838.24/326,132,395.74 = 79,346,042.70/x - Step 3: Cross multiply
217,552,838.24x = 326,132,395.74 × 79,346,042.70 - Step 4: Simplify right side
217,552,838.24x = 25,877,314,998,239,340 - Step 5: Solve for x
x = 25,877,314,998,239,340/217,552,838.24 - Step 6: Final answer
x = 118,947,264.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.