Finding the Fourth Proportional to 218,610,005.97, 327,972,439.88 and 78,564,602.98
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Solution
The fourth proportional to 218,610,005.97, 327,972,439.88 and 78,564,602.98 is: 117,867,544.14
Step by Step Solution
- Step 1: Write the proportion equation
218,610,005.97 : 327,972,439.88 = 78,564,602.98 : x - Step 2: Convert to fraction form
218,610,005.97/327,972,439.88 = 78,564,602.98/x - Step 3: Cross multiply
218,610,005.97x = 327,972,439.88 × 78,564,602.98 - Step 4: Simplify right side
218,610,005.97x = 25,767,024,527,554,120 - Step 5: Solve for x
x = 25,767,024,527,554,120/218,610,005.97 - Step 6: Final answer
x = 117,867,544.14
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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.