Finding the Fourth Proportional to 79,414,358.68, 119,087,683.18 and 30,221,817.72
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Solution
The fourth proportional to 79,414,358.68, 119,087,683.18 and 30,221,817.72 is: 45,319,842.83
Step by Step Solution
- Step 1: Write the proportion equation
79,414,358.68 : 119,087,683.18 = 30,221,817.72 : x - Step 2: Convert to fraction form
79,414,358.68/119,087,683.18 = 30,221,817.72/x - Step 3: Cross multiply
79,414,358.68x = 119,087,683.18 × 30,221,817.72 - Step 4: Simplify right side
79,414,358.68x = 3,599,046,253,763,070 - Step 5: Solve for x
x = 3,599,046,253,763,070/79,414,358.68 - Step 6: Final answer
x = 45,319,842.83
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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.