Finding the Fourth Proportional to 248,212,184.46, 372,059,642.13 and 138,877,056.06
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Solution
The fourth proportional to 248,212,184.46, 372,059,642.13 and 138,877,056.06 is: 208,170,875.62
Step by Step Solution
- Step 1: Write the proportion equation
248,212,184.46 : 372,059,642.13 = 138,877,056.06 : x - Step 2: Convert to fraction form
248,212,184.46/372,059,642.13 = 138,877,056.06/x - Step 3: Cross multiply
248,212,184.46x = 372,059,642.13 × 138,877,056.06 - Step 4: Simplify right side
248,212,184.46x = 51,670,547,777,751,552 - Step 5: Solve for x
x = 51,670,547,777,751,552/248,212,184.46 - Step 6: Final answer
x = 208,170,875.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.