Finding the Fourth Proportional to 103,377,341.44, 142,658,883.63 and 56,334,823.60
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Solution
The fourth proportional to 103,377,341.44, 142,658,883.63 and 56,334,823.60 is: 77,741,049.75
Step by Step Solution
- Step 1: Write the proportion equation
103,377,341.44 : 142,658,883.63 = 56,334,823.60 : x - Step 2: Convert to fraction form
103,377,341.44/142,658,883.63 = 56,334,823.60/x - Step 3: Cross multiply
103,377,341.44x = 142,658,883.63 × 56,334,823.60 - Step 4: Simplify right side
103,377,341.44x = 8,036,663,044,268,978 - Step 5: Solve for x
x = 8,036,663,044,268,978/103,377,341.44 - Step 6: Final answer
x = 77,741,049.75
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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.