Finding the Fourth Proportional to 259,558,772.63, 358,168,408.93 and 153,693,195.80
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Solution
The fourth proportional to 259,558,772.63, 358,168,408.93 and 153,693,195.80 is: 212,083,170.39
Step by Step Solution
- Step 1: Write the proportion equation
259,558,772.63 : 358,168,408.93 = 153,693,195.80 : x - Step 2: Convert to fraction form
259,558,772.63/358,168,408.93 = 153,693,195.80/x - Step 3: Cross multiply
259,558,772.63x = 358,168,408.93 × 153,693,195.80 - Step 4: Simplify right side
259,558,772.63x = 55,048,047,403,564,152 - Step 5: Solve for x
x = 55,048,047,403,564,152/259,558,772.63 - Step 6: Final answer
x = 212,083,170.39
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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.