Finding the Fourth Proportional to 67,655,452.86, 93,316,284.99 and 62,091,626.46
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Solution
The fourth proportional to 67,655,452.86, 93,316,284.99 and 62,091,626.46 is: 85,642,171.70
Step by Step Solution
- Step 1: Write the proportion equation
67,655,452.86 : 93,316,284.99 = 62,091,626.46 : x - Step 2: Convert to fraction form
67,655,452.86/93,316,284.99 = 62,091,626.46/x - Step 3: Cross multiply
67,655,452.86x = 93,316,284.99 × 62,091,626.46 - Step 4: Simplify right side
67,655,452.86x = 5,794,159,910,233,985 - Step 5: Solve for x
x = 5,794,159,910,233,985/67,655,452.86 - Step 6: Final answer
x = 85,642,171.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.