Finding the Fourth Proportional to 279,248,295.06, 385,365,324.42 and 153,803,334.96
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Solution
The fourth proportional to 279,248,295.06, 385,365,324.42 and 153,803,334.96 is: 212,250,076.80
Step by Step Solution
- Step 1: Write the proportion equation
279,248,295.06 : 385,365,324.42 = 153,803,334.96 : x - Step 2: Convert to fraction form
279,248,295.06/385,365,324.42 = 153,803,334.96/x - Step 3: Cross multiply
279,248,295.06x = 385,365,324.42 × 153,803,334.96 - Step 4: Simplify right side
279,248,295.06x = 59,270,472,073,738,336 - Step 5: Solve for x
x = 59,270,472,073,738,336/279,248,295.06 - Step 6: Final answer
x = 212,250,076.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.