Finding the Fourth Proportional to 157,480,809.80, 236,221,214.70 and 157,480,809.80
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Solution
The fourth proportional to 157,480,809.80, 236,221,214.70 and 157,480,809.80 is: 236,221,214.70
Step by Step Solution
- Step 1: Write the proportion equation
157,480,809.80 : 236,221,214.70 = 157,480,809.80 : x - Step 2: Convert to fraction form
157,480,809.80/236,221,214.70 = 157,480,809.80/x - Step 3: Cross multiply
157,480,809.80x = 236,221,214.70 × 157,480,809.80 - Step 4: Simplify right side
157,480,809.80x = 37,200,308,182,895,664 - Step 5: Solve for x
x = 37,200,308,182,895,664/157,480,809.80 - Step 6: Final answer
x = 236,221,214.70
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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.