Finding the Fourth Proportional to 78,883,689.14, 118,338,247.47 and 24,296,256.62
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Solution
The fourth proportional to 78,883,689.14, 118,338,247.47 and 24,296,256.62 is: 36,448,300.78
Step by Step Solution
- Step 1: Write the proportion equation
78,883,689.14 : 118,338,247.47 = 24,296,256.62 : x - Step 2: Convert to fraction form
78,883,689.14/118,338,247.47 = 24,296,256.62/x - Step 3: Cross multiply
78,883,689.14x = 118,338,247.47 × 24,296,256.62 - Step 4: Simplify right side
78,883,689.14x = 2,875,176,428,879,142 - Step 5: Solve for x
x = 2,875,176,428,879,142/78,883,689.14 - Step 6: Final answer
x = 36,448,300.78
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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.