Finding the Fourth Proportional to 97,089,101.70, 145,535,674.95 and 48,492,212.10
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Solution
The fourth proportional to 97,089,101.70, 145,535,674.95 and 48,492,212.10 is: 72,689,382.17
Step by Step Solution
- Step 1: Write the proportion equation
97,089,101.70 : 145,535,674.95 = 48,492,212.10 : x - Step 2: Convert to fraction form
97,089,101.70/145,535,674.95 = 48,492,212.10/x - Step 3: Cross multiply
97,089,101.70x = 145,535,674.95 × 48,492,212.10 - Step 4: Simplify right side
97,089,101.70x = 7,057,346,817,792,057 - Step 5: Solve for x
x = 7,057,346,817,792,057/97,089,101.70 - Step 6: Final answer
x = 72,689,382.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.