Finding the Fourth Proportional to 67,705,790.36, 93,432,656.18 and 39,831,513.08
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Solution
The fourth proportional to 67,705,790.36, 93,432,656.18 and 39,831,513.08 is: 54,966,702.95
Step by Step Solution
- Step 1: Write the proportion equation
67,705,790.36 : 93,432,656.18 = 39,831,513.08 : x - Step 2: Convert to fraction form
67,705,790.36/93,432,656.18 = 39,831,513.08/x - Step 3: Cross multiply
67,705,790.36x = 93,432,656.18 × 39,831,513.08 - Step 4: Simplify right side
67,705,790.36x = 3,721,564,066,365,229 - Step 5: Solve for x
x = 3,721,564,066,365,229/67,705,790.36 - Step 6: Final answer
x = 54,966,702.95
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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.