Finding the Fourth Proportional to 258,555,257.32, 387,830,330 and 118,455,975.02
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Solution
The fourth proportional to 258,555,257.32, 387,830,330 and 118,455,975.02 is: 177,682,791.52
Step by Step Solution
- Step 1: Write the proportion equation
258,555,257.32 : 387,830,330 = 118,455,975.02 : x - Step 2: Convert to fraction form
258,555,257.32/387,830,330 = 118,455,975.02/x - Step 3: Cross multiply
258,555,257.32x = 387,830,330 × 118,455,975.02 - Step 4: Simplify right side
258,555,257.32x = 45,940,819,882,478,352 - Step 5: Solve for x
x = 45,940,819,882,478,352/258,555,257.32 - Step 6: Final answer
x = 177,682,791.52
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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.