Finding the Fourth Proportional to 312,203,826.95, 468,124,220.09 and 118,130,209.70
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Solution
The fourth proportional to 312,203,826.95, 468,124,220.09 and 118,130,209.70 is: 177,126,631.74
Step by Step Solution
- Step 1: Write the proportion equation
312,203,826.95 : 468,124,220.09 = 118,130,209.70 : x - Step 2: Convert to fraction form
312,203,826.95/468,124,220.09 = 118,130,209.70/x - Step 3: Cross multiply
312,203,826.95x = 468,124,220.09 × 118,130,209.70 - Step 4: Simplify right side
312,203,826.95x = 55,299,612,282,835,352 - Step 5: Solve for x
x = 55,299,612,282,835,352/312,203,826.95 - Step 6: Final answer
x = 177,126,631.74
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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.