Finding the Fourth Proportional to 232,462,307.34, 320,797,955.34 and 128,040,378.68
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Solution
The fourth proportional to 232,462,307.34, 320,797,955.34 and 128,040,378.68 is: 176,695,706.72
Step by Step Solution
- Step 1: Write the proportion equation
232,462,307.34 : 320,797,955.34 = 128,040,378.68 : x - Step 2: Convert to fraction form
232,462,307.34/320,797,955.34 = 128,040,378.68/x - Step 3: Cross multiply
232,462,307.34x = 320,797,955.34 × 128,040,378.68 - Step 4: Simplify right side
232,462,307.34x = 41,075,091,681,582,480 - Step 5: Solve for x
x = 41,075,091,681,582,480/232,462,307.34 - Step 6: Final answer
x = 176,695,706.72
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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.