Finding the Fourth Proportional to 87,029,158.35, 120,272,484.63 and 71,323,416.03
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Solution
The fourth proportional to 87,029,158.35, 120,272,484.63 and 71,323,416.03 is: 98,567,475.78
Step by Step Solution
- Step 1: Write the proportion equation
87,029,158.35 : 120,272,484.63 = 71,323,416.03 : x - Step 2: Convert to fraction form
87,029,158.35/120,272,484.63 = 71,323,416.03/x - Step 3: Cross multiply
87,029,158.35x = 120,272,484.63 × 71,323,416.03 - Step 4: Simplify right side
87,029,158.35x = 8,578,244,458,227,270 - Step 5: Solve for x
x = 8,578,244,458,227,270/87,029,158.35 - Step 6: Final answer
x = 98,567,475.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.