Finding the Fourth Proportional to 93,159,640.08, 128,560,830.36 and 54,024,652.92
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Solution
The fourth proportional to 93,159,640.08, 128,560,830.36 and 54,024,652.92 is: 74,554,326.67
Step by Step Solution
- Step 1: Write the proportion equation
93,159,640.08 : 128,560,830.36 = 54,024,652.92 : x - Step 2: Convert to fraction form
93,159,640.08/128,560,830.36 = 54,024,652.92/x - Step 3: Cross multiply
93,159,640.08x = 128,560,830.36 × 54,024,652.92 - Step 4: Simplify right side
93,159,640.08x = 6,945,454,239,305,999 - Step 5: Solve for x
x = 6,945,454,239,305,999/93,159,640.08 - Step 6: Final answer
x = 74,554,326.67
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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.