Finding the Fourth Proportional to 195,829,407.76, 270,249,625.20 and 107,725,668.88
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Solution
The fourth proportional to 195,829,407.76, 270,249,625.20 and 107,725,668.88 is: 148,664,196.93
Step by Step Solution
- Step 1: Write the proportion equation
195,829,407.76 : 270,249,625.20 = 107,725,668.88 : x - Step 2: Convert to fraction form
195,829,407.76/270,249,625.20 = 107,725,668.88/x - Step 3: Cross multiply
195,829,407.76x = 270,249,625.20 × 107,725,668.88 - Step 4: Simplify right side
195,829,407.76x = 29,112,821,639,239,300 - Step 5: Solve for x
x = 29,112,821,639,239,300/195,829,407.76 - Step 6: Final answer
x = 148,664,196.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.