Finding the Fourth Proportional to 73,511,316.70, 110,266,975.05 and 48,852,454.30
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Solution
The fourth proportional to 73,511,316.70, 110,266,975.05 and 48,852,454.30 is: 73,278,681.45
Step by Step Solution
- Step 1: Write the proportion equation
73,511,316.70 : 110,266,975.05 = 48,852,454.30 : x - Step 2: Convert to fraction form
73,511,316.70/110,266,975.05 = 48,852,454.30/x - Step 3: Cross multiply
73,511,316.70x = 110,266,975.05 × 48,852,454.30 - Step 4: Simplify right side
73,511,316.70x = 5,386,812,359,429,365 - Step 5: Solve for x
x = 5,386,812,359,429,365/73,511,316.70 - Step 6: Final answer
x = 73,278,681.45
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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.