Finding the Fourth Proportional to 357,936,319.98, 536,556,271.79 and 171,141,721.37
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Solution
The fourth proportional to 357,936,319.98, 536,556,271.79 and 171,141,721.37 is: 256,546,091.69
Step by Step Solution
- Step 1: Write the proportion equation
357,936,319.98 : 536,556,271.79 = 171,141,721.37 : x - Step 2: Convert to fraction form
357,936,319.98/536,556,271.79 = 171,141,721.37/x - Step 3: Cross multiply
357,936,319.98x = 536,556,271.79 × 171,141,721.37 - Step 4: Simplify right side
357,936,319.98x = 91,827,163,966,010,176 - Step 5: Solve for x
x = 91,827,163,966,010,176/357,936,319.98 - Step 6: Final answer
x = 256,546,091.69
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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.