Finding the Fourth Proportional to 118,781,693.08, 163,925,160.98 and 66,587,494.66
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Solution
The fourth proportional to 118,781,693.08, 163,925,160.98 and 66,587,494.66 is: 91,894,344.14
Step by Step Solution
- Step 1: Write the proportion equation
118,781,693.08 : 163,925,160.98 = 66,587,494.66 : x - Step 2: Convert to fraction form
118,781,693.08/163,925,160.98 = 66,587,494.66/x - Step 3: Cross multiply
118,781,693.08x = 163,925,160.98 × 66,587,494.66 - Step 4: Simplify right side
118,781,693.08x = 10,915,365,781,581,872 - Step 5: Solve for x
x = 10,915,365,781,581,872/118,781,693.08 - Step 6: Final answer
x = 91,894,344.14
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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.