Finding the Fourth Proportional to 97,116,883.65, 145,675,325.48 and 66,505,882.05
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Solution
The fourth proportional to 97,116,883.65, 145,675,325.48 and 66,505,882.05 is: 99,758,823.08
Step by Step Solution
- Step 1: Write the proportion equation
97,116,883.65 : 145,675,325.48 = 66,505,882.05 : x - Step 2: Convert to fraction form
97,116,883.65/145,675,325.48 = 66,505,882.05/x - Step 3: Cross multiply
97,116,883.65x = 145,675,325.48 × 66,505,882.05 - Step 4: Simplify right side
97,116,883.65x = 9,688,266,013,635,710 - Step 5: Solve for x
x = 9,688,266,013,635,710/97,116,883.65 - Step 6: Final answer
x = 99,758,823.08
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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.