Finding the Fourth Proportional to 125,118,021,201.90, 187,677,031,802.85 and 125,118,021,201.90
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Solution
The fourth proportional to 125,118,021,201.90, 187,677,031,802.85 and 125,118,021,201.90 is: 187,677,031,802.85
Step by Step Solution
- Step 1: Write the proportion equation
125,118,021,201.90 : 187,677,031,802.85 = 125,118,021,201.90 : x - Step 2: Convert to fraction form
125,118,021,201.90/187,677,031,802.85 = 125,118,021,201.90/x - Step 3: Cross multiply
125,118,021,201.90x = 187,677,031,802.85 × 125,118,021,201.90 - Step 4: Simplify right side
125,118,021,201.90x = 23,481,778,844,218,645,544,960 - Step 5: Solve for x
x = 23,481,778,844,218,645,544,960/125,118,021,201.90 - Step 6: Final answer
x = 187,677,031,802.85
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1.5x scale
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.