Finding the Fourth Proportional to 70,996,838.20, 106,495,257.30 and 63,344,087.80
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Solution
The fourth proportional to 70,996,838.20, 106,495,257.30 and 63,344,087.80 is: 95,016,131.70
Step by Step Solution
- Step 1: Write the proportion equation
70,996,838.20 : 106,495,257.30 = 63,344,087.80 : x - Step 2: Convert to fraction form
70,996,838.20/106,495,257.30 = 63,344,087.80/x - Step 3: Cross multiply
70,996,838.20x = 106,495,257.30 × 63,344,087.80 - Step 4: Simplify right side
70,996,838.20x = 6,745,844,928,694,790 - Step 5: Solve for x
x = 6,745,844,928,694,790/70,996,838.20 - Step 6: Final answer
x = 95,016,131.70
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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.