Finding the Fourth Proportional to 125,157,703.80, 187,736,555.70 and 106,262,023.80
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Solution
The fourth proportional to 125,157,703.80, 187,736,555.70 and 106,262,023.80 is: 159,393,035.70
Step by Step Solution
- Step 1: Write the proportion equation
125,157,703.80 : 187,736,555.70 = 106,262,023.80 : x - Step 2: Convert to fraction form
125,157,703.80/187,736,555.70 = 106,262,023.80/x - Step 3: Cross multiply
125,157,703.80x = 187,736,555.70 × 106,262,023.80 - Step 4: Simplify right side
125,157,703.80x = 19,949,266,349,923,424 - Step 5: Solve for x
x = 19,949,266,349,923,424/125,157,703.80 - Step 6: Final answer
x = 159,393,035.70
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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.