Finding the Fourth Proportional to 67,666,407.92, 93,550,416.62 and 49,997,442.63
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Solution
The fourth proportional to 67,666,407.92, 93,550,416.62 and 49,997,442.63 is: 69,122,652.32
Step by Step Solution
- Step 1: Write the proportion equation
67,666,407.92 : 93,550,416.62 = 49,997,442.63 : x - Step 2: Convert to fraction form
67,666,407.92/93,550,416.62 = 49,997,442.63/x - Step 3: Cross multiply
67,666,407.92x = 93,550,416.62 × 49,997,442.63 - Step 4: Simplify right side
67,666,407.92x = 4,677,281,587,721,061 - Step 5: Solve for x
x = 4,677,281,587,721,061/67,666,407.92 - Step 6: Final answer
x = 69,122,652.32
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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.