Finding the Fourth Proportional to 147,774,907.58, 203,895,537.07 and 88,224,612.31
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Solution
The fourth proportional to 147,774,907.58, 203,895,537.07 and 88,224,612.31 is: 121,729,764.58
Step by Step Solution
- Step 1: Write the proportion equation
147,774,907.58 : 203,895,537.07 = 88,224,612.31 : x - Step 2: Convert to fraction form
147,774,907.58/203,895,537.07 = 88,224,612.31/x - Step 3: Cross multiply
147,774,907.58x = 203,895,537.07 × 88,224,612.31 - Step 4: Simplify right side
147,774,907.58x = 17,988,604,709,939,272 - Step 5: Solve for x
x = 17,988,604,709,939,272/147,774,907.58 - Step 6: Final answer
x = 121,729,764.58
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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.