Finding the Fourth Proportional to 127,529,702,726.48, 175,989,943,872.17 and 69,658,119,449.61
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Solution
The fourth proportional to 127,529,702,726.48, 175,989,943,872.17 and 69,658,119,449.61 is: 96,127,633,563.69
Step by Step Solution
- Step 1: Write the proportion equation
127,529,702,726.48 : 175,989,943,872.17 = 69,658,119,449.61 : x - Step 2: Convert to fraction form
127,529,702,726.48/175,989,943,872.17 = 69,658,119,449.61/x - Step 3: Cross multiply
127,529,702,726.48x = 175,989,943,872.17 × 69,658,119,449.61 - Step 4: Simplify right side
127,529,702,726.48x = 12,259,128,532,177,778,638,848 - Step 5: Solve for x
x = 12,259,128,532,177,778,638,848/127,529,702,726.48 - Step 6: Final answer
x = 96,127,633,563.69
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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.