Finding the Fourth Proportional to 73,977,430.68, 102,089,022.30 and 40,940,083.80
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Solution
The fourth proportional to 73,977,430.68, 102,089,022.30 and 40,940,083.80 is: 56,497,408.60
Step by Step Solution
- Step 1: Write the proportion equation
73,977,430.68 : 102,089,022.30 = 40,940,083.80 : x - Step 2: Convert to fraction form
73,977,430.68/102,089,022.30 = 40,940,083.80/x - Step 3: Cross multiply
73,977,430.68x = 102,089,022.30 × 40,940,083.80 - Step 4: Simplify right side
73,977,430.68x = 4,179,533,128,022,068.50 - Step 5: Solve for x
x = 4,179,533,128,022,068.50/73,977,430.68 - Step 6: Final answer
x = 56,497,408.60
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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.