Finding the Fourth Proportional to 280,139,553.58, 420,224,655.93 and 116,393,866.24
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Solution
The fourth proportional to 280,139,553.58, 420,224,655.93 and 116,393,866.24 is: 174,597,166.90
Step by Step Solution
- Step 1: Write the proportion equation
280,139,553.58 : 420,224,655.93 = 116,393,866.24 : x - Step 2: Convert to fraction form
280,139,553.58/420,224,655.93 = 116,393,866.24/x - Step 3: Cross multiply
280,139,553.58x = 420,224,655.93 × 116,393,866.24 - Step 4: Simplify right side
280,139,553.58x = 48,911,572,393,066,440 - Step 5: Solve for x
x = 48,911,572,393,066,440/280,139,553.58 - Step 6: Final answer
x = 174,597,166.90
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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.