Finding the Fourth Proportional to 117,573,981.18, 176,292,880.97 and 39,824,827.18
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Solution
The fourth proportional to 117,573,981.18, 176,292,880.97 and 39,824,827.18 is: 59,714,176.96
Step by Step Solution
- Step 1: Write the proportion equation
117,573,981.18 : 176,292,880.97 = 39,824,827.18 : x - Step 2: Convert to fraction form
117,573,981.18/176,292,880.97 = 39,824,827.18/x - Step 3: Cross multiply
117,573,981.18x = 176,292,880.97 × 39,824,827.18 - Step 4: Simplify right side
117,573,981.18x = 7,020,833,518,270,344 - Step 5: Solve for x
x = 7,020,833,518,270,344/117,573,981.18 - Step 6: Final answer
x = 59,714,176.96
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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.