Finding the Fourth Proportional to 185,674,903.20, 278,512,354.80 and 121,104,821.70
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Solution
The fourth proportional to 185,674,903.20, 278,512,354.80 and 121,104,821.70 is: 181,657,232.55
Step by Step Solution
- Step 1: Write the proportion equation
185,674,903.20 : 278,512,354.80 = 121,104,821.70 : x - Step 2: Convert to fraction form
185,674,903.20/278,512,354.80 = 121,104,821.70/x - Step 3: Cross multiply
185,674,903.20x = 278,512,354.80 × 121,104,821.70 - Step 4: Simplify right side
185,674,903.20x = 33,729,189,069,301,140 - Step 5: Solve for x
x = 33,729,189,069,301,140/185,674,903.20 - Step 6: Final answer
x = 181,657,232.55
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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.