Finding the Fourth Proportional to 131,408,427.76, 197,132,252.19 and 48,403,855.35
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Solution
The fourth proportional to 131,408,427.76, 197,132,252.19 and 48,403,855.35 is: 72,613,006.51
Step by Step Solution
- Step 1: Write the proportion equation
131,408,427.76 : 197,132,252.19 = 48,403,855.35 : x - Step 2: Convert to fraction form
131,408,427.76/197,132,252.19 = 48,403,855.35/x - Step 3: Cross multiply
131,408,427.76x = 197,132,252.19 × 48,403,855.35 - Step 4: Simplify right side
131,408,427.76x = 9,541,961,019,824,480 - Step 5: Solve for x
x = 9,541,961,019,824,480/131,408,427.76 - Step 6: Final answer
x = 72,613,006.51
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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.