Finding the Fourth Proportional to 232,128,358.56, 320,336,655.84 and 127,706,179.68
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Solution
The fourth proportional to 232,128,358.56, 320,336,655.84 and 127,706,179.68 is: 176,234,264.45
Step by Step Solution
- Step 1: Write the proportion equation
232,128,358.56 : 320,336,655.84 = 127,706,179.68 : x - Step 2: Convert to fraction form
232,128,358.56/320,336,655.84 = 127,706,179.68/x - Step 3: Cross multiply
232,128,358.56x = 320,336,655.84 × 127,706,179.68 - Step 4: Simplify right side
232,128,358.56x = 40,908,970,528,793,360 - Step 5: Solve for x
x = 40,908,970,528,793,360/232,128,358.56 - Step 6: Final answer
x = 176,234,264.45
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1.5x scale
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.