Finding the Fourth Proportional to 312,203,819.21, 468,124,208.53 and 118,130,201.96
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Solution
The fourth proportional to 312,203,819.21, 468,124,208.53 and 118,130,201.96 is: 177,126,620.15
Step by Step Solution
- Step 1: Write the proportion equation
312,203,819.21 : 468,124,208.53 = 118,130,201.96 : x - Step 2: Convert to fraction form
312,203,819.21/468,124,208.53 = 118,130,201.96/x - Step 3: Cross multiply
312,203,819.21x = 468,124,208.53 × 118,130,201.96 - Step 4: Simplify right side
312,203,819.21x = 55,299,607,293,378,104 - Step 5: Solve for x
x = 55,299,607,293,378,104/312,203,819.21 - Step 6: Final answer
x = 177,126,620.15
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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.