Finding the Fourth Proportional to 132,352,495.80, 198,528,743.70 and 98,340,271.80
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Solution
The fourth proportional to 132,352,495.80, 198,528,743.70 and 98,340,271.80 is: 147,510,407.70
Step by Step Solution
- Step 1: Write the proportion equation
132,352,495.80 : 198,528,743.70 = 98,340,271.80 : x - Step 2: Convert to fraction form
132,352,495.80/198,528,743.70 = 98,340,271.80/x - Step 3: Cross multiply
132,352,495.80x = 198,528,743.70 × 98,340,271.80 - Step 4: Simplify right side
132,352,495.80x = 19,523,370,615,570,536 - Step 5: Solve for x
x = 19,523,370,615,570,536/132,352,495.80 - Step 6: Final answer
x = 147,510,407.70
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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.