Finding the Fourth Proportional to 109,211,335.10, 163,817,615.05 and 36,427,915.98
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Solution
The fourth proportional to 109,211,335.10, 163,817,615.05 and 36,427,915.98 is: 54,642,078.25
Step by Step Solution
- Step 1: Write the proportion equation
109,211,335.10 : 163,817,615.05 = 36,427,915.98 : x - Step 2: Convert to fraction form
109,211,335.10/163,817,615.05 = 36,427,915.98/x - Step 3: Cross multiply
109,211,335.10x = 163,817,615.05 × 36,427,915.98 - Step 4: Simplify right side
109,211,335.10x = 5,967,534,317,557,331 - Step 5: Solve for x
x = 5,967,534,317,557,331/109,211,335.10 - Step 6: Final answer
x = 54,642,078.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.