Finding the Fourth Proportional to 73,649,719.14, 110,506,436.28 and 39,531,206.94
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Solution
The fourth proportional to 73,649,719.14, 110,506,436.28 and 39,531,206.94 is: 59,313,909.84
Step by Step Solution
- Step 1: Write the proportion equation
73,649,719.14 : 110,506,436.28 = 39,531,206.94 : x - Step 2: Convert to fraction form
73,649,719.14/110,506,436.28 = 39,531,206.94/x - Step 3: Cross multiply
73,649,719.14x = 110,506,436.28 × 39,531,206.94 - Step 4: Simplify right side
73,649,719.14x = 4,368,452,800,786,603.50 - Step 5: Solve for x
x = 4,368,452,800,786,603.50/73,649,719.14 - Step 6: Final answer
x = 59,313,909.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.