Finding the Fourth Proportional to 98,774,153.48, 148,112,747.92 and 48,861,305.40
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Solution
The fourth proportional to 98,774,153.48, 148,112,747.92 and 48,861,305.40 is: 73,267,975.02
Step by Step Solution
- Step 1: Write the proportion equation
98,774,153.48 : 148,112,747.92 = 48,861,305.40 : x - Step 2: Convert to fraction form
98,774,153.48/148,112,747.92 = 48,861,305.40/x - Step 3: Cross multiply
98,774,153.48x = 148,112,747.92 × 48,861,305.40 - Step 4: Simplify right side
98,774,153.48x = 7,236,982,209,752,334 - Step 5: Solve for x
x = 7,236,982,209,752,334/98,774,153.48 - Step 6: Final answer
x = 73,267,975.02
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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.