Finding the Fourth Proportional to 252,493,847.80, 378,740,771.70 and 88,756,875.70
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Solution
The fourth proportional to 252,493,847.80, 378,740,771.70 and 88,756,875.70 is: 133,135,313.55
Step by Step Solution
- Step 1: Write the proportion equation
252,493,847.80 : 378,740,771.70 = 88,756,875.70 : x - Step 2: Convert to fraction form
252,493,847.80/378,740,771.70 = 88,756,875.70/x - Step 3: Cross multiply
252,493,847.80x = 378,740,771.70 × 88,756,875.70 - Step 4: Simplify right side
252,493,847.80x = 33,615,847,596,298,976 - Step 5: Solve for x
x = 33,615,847,596,298,976/252,493,847.80 - Step 6: Final answer
x = 133,135,313.55
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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.