Finding the Fourth Proportional to 154,440,901.14, 213,141,587.76 and 87,471,772.56
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Solution
The fourth proportional to 154,440,901.14, 213,141,587.76 and 87,471,772.56 is: 120,718,490.70
Step by Step Solution
- Step 1: Write the proportion equation
154,440,901.14 : 213,141,587.76 = 87,471,772.56 : x - Step 2: Convert to fraction form
154,440,901.14/213,141,587.76 = 87,471,772.56/x - Step 3: Cross multiply
154,440,901.14x = 213,141,587.76 × 87,471,772.56 - Step 4: Simplify right side
154,440,901.14x = 18,643,872,487,620,000 - Step 5: Solve for x
x = 18,643,872,487,620,000/154,440,901.14 - Step 6: Final answer
x = 120,718,490.70
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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.